https://code-reference.com/ 2026-06-21T06:38:24+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2013-04-15T09:30:44+02:00 https://code-reference.com/java/io/printstream/format?rev=1366011044&do=diff format args to the format string format and write the result to the stream format(String format, Object... args); return value: stream sign Description 0 if the place is not busy they prints a 0 # if the place is not busy they prints nothing . decimal separator Separates and decimal places. , Groups the numbers (a group is as large as the distance from ”,” to ”.”). ; Delimiter. To the left of the pattern is positive, the right for negative numbers. - The default character for the negative… text/html 2013-04-10T15:55:29+02:00 https://code-reference.com/java/control_structures/switch?rev=1365602129&do=diff The switch statement is a multi-select control structure. An expression is evaluated once and compared to 'constants'. In case of equality, the 'statements' that come after the 'constant' are processed. In switch 'statements' can only ordinary data types (ie, 'int', 'long', char, short, etc.) can be used. text/html 2024-02-16T01:04:49+02:00 https://code-reference.com/c/stdlib.h/system?rev=1708041889&do=diff #include <stdlib.h> int system(const char *string); system calls a command on the shell system c code example /* * system example code * http://code-reference.com/c/stdlib.h/system */ #include <stdio.h> #include <stdlib.h> int main (void) { char * command = "uname -a"; int cmd = system( command ); if( cmd == -1 ) { printf( "Error while initalize system command.\n"); } else if( cmd > 0 ) { printf( "command return value %d.\n", cmd ); } else printf( "success\n" )… text/html 2013-04-17T08:11:25+02:00 https://code-reference.com/java/variables/array?rev=1366179085&do=diff an array, it is a object variable (box,container), which is a variable in a position to take up more than one object of the same type and manage it example of arrays in java package arrays; public class Arrays { public static void main(String[] args) { int[] digits1; // Reference Variable int[] digits2= new int[5]; // Definition with 5 x Integer int[] digits3= {1,2,3,4,5}; // Definie with initialization ( 5 Integer) // pass Element… text/html 2013-05-27T18:35:18+02:00 https://code-reference.com/java/util/scanner?rev=1369672518&do=diff Reads input from a Keyboard, or a Device CODE_SIGN_IDENTITY --verify --file-list --display -r- Terminal.app example Scanner in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); double currency, amount, exchangeRate; String currencyName, newCurrency; … text/html 2013-04-18T09:11:21+02:00 https://code-reference.com/java/loops/for?rev=1366269081&do=diff for ( init; condition; increment ){ statements; } description of for a for loop do statements while the condition is true/untrue, the increment counts the loop, it is possible to use more than 1 condition in the for loop example 1 of for in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int myOtherCount=5; for (int i = 0; i <= myOtherCount; i++) { System.out.print… text/html 2013-09-09T09:07:22+02:00 https://code-reference.com/java/io/printstream/write?rev=1378710442&do=diff Writes count or one byte to target stream/buffer. write(int oneByte); write(byte[] buffer, int offset, int length); Language Example try( //Try-with-resource-block FileWriter stream = new FileWriter("output.txt"); // create file BufferedWriter output = new BufferedWriter(stream); ) { output.write("Hello Harddisk"); // Write to Stream //This is an auto-closable block so no need of "output.close();" } … text/html 2024-02-16T01:04:00+02:00 https://code-reference.com/java/io/printwriter?rev=1708041840&do=diff ---------- The PrintWriter class is a simple way of writing to files in Java io. It can be used in many ways and offers a great deal of methods inside the class. Some of these are quite common methods throughout the language itself. I will go through them step by step, giving examples for each. Let's get started: text/html 2024-02-16T01:12:02+02:00 https://code-reference.com/java/io/printstream/println?rev=1708042322&do=diff This line outputs the string parameter to the console with a line return. println(parameter): void parameters are: boolean, char, char[], double, float, int, long, Object, String Language Example System.out.println("Hello"); System.out.println("I am a programmer"); System.out.println(" 3 + 4 = " + 3+4 ); // appends 3 and 4 to the string System.out.println(" 3 + 4 = " + (3+4) ); // calculate 3+4 before the string "7" added text/html 2024-02-16T01:03:58+02:00 https://code-reference.com/java/control_structures/else?rev=1708041838&do=diff if ( condition == true ){ command; } else { // if the "if" condition false command; } check if a condition is true or false example of else package plausibilitycheck; import java.util.Scanner; public class Plausibilitycheck{ /** * @param args the command line arguments */ public static void main(String[] args) { int celsius; double fahrenheit; Scanner scan = new Scanner(System.in); System.out.print("Please … text/html 2024-02-16T01:05:51+02:00 https://code-reference.com/c/graphics.h/closegraph?rev=1708041951&do=diff closegraph Syntax of closegraph #include <graphics.h> void closegraph(int wid=ALL_WINDOWS); Description of closegraph closegraph deallocates all memory allocated by the graphics system, then restores the screen to the mode it was in before you called initgraph. (The graphics system deallocates memory, such as the drivers, fonts, and an internal buffer, through a call to _graphfreemem.) text/html 2024-02-16T01:12:04+02:00 https://code-reference.com/java/lang/system/exit?rev=1708042324&do=diff public static void exit(int status) exit a programm with a return code example exit in java package test; public class Test{ public static void main(String[] args) { System.out.println("Example for exit in java"); System.exit(1); System.out.println("sorry but this is after our exit"); } } text/html 2013-04-10T10:13:54+02:00 https://code-reference.com/java/util/scanner/nextfloat?rev=1365581634&do=diff public float nextFloat() return float scanned from the input example nextFloat in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); float currency; System.out.print("Please enter a number: "); currency = scan.nextFloat(); // read currency … text/html 2024-02-16T01:05:55+02:00 https://code-reference.com/c/graphics.h/initgraph?rev=1708041955&do=diff initgraph Syntax of initgraph #include <graphics.h> void initgraph(int *graphdriver, int *graphmode, char *pathtodriver); Description of initgraph initgraph initializes the graphics system by loading a graphics driver from disk (or validating a registered driver), and putting the system into graphics mode. To start the graphics system, first call the initgraph function. initgraph loads the graphics driver and puts the system into graphics mode. You can tell initgraph to use a particular… text/html 2013-04-10T10:14:40+02:00 https://code-reference.com/java/util/scanner/nextlong?rev=1365581680&do=diff public long nextLong() return long scanned from the input example nextLong() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); long currency; System.out.print("Please enter a number: "); currency = scan.nextLong(); // read keyboard buffer … text/html 2013-04-10T10:13:38+02:00 https://code-reference.com/java/util/scanner/nextdouble?rev=1365581618&do=diff public double nextDouble() double scanned from the input example nextDouble in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); double currency, amount, exchangeRate; String currencyName, newCurrency; System.out.print("Please enter the amount (with d… text/html 2013-04-10T10:14:55+02:00 https://code-reference.com/java/util/scanner/nextshort?rev=1365581695&do=diff public short nextShort() return short scanned from the input example nextShort() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); short currency; System.out.print("Please enter a number: "); currency = scan.nextShort(); // read keyboard buffer … text/html 2024-02-16T01:12:03+02:00 https://code-reference.com/java/lang/math/random?rev=1708042323&do=diff Math.random() double; generate a 'double' random number example of Math.random in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { double randomDigit; randomDigit = Math.random(); System.out.println(randomDigit); // random number as double System.out.println(randomDigit*1000+1); //double random number between 1-1000 System.out.println((int)(randomDigit*1000+1)); //double random … text/html 2013-04-10T10:14:10+02:00 https://code-reference.com/java/util/scanner/nextint?rev=1365581650&do=diff public int nextInt() return int scanned from the input example nextInt in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); int currency; System.out.print("Please enter a number: "); currency = scan.nextInt(); // read currency System.… text/html 2013-04-10T10:14:25+02:00 https://code-reference.com/java/util/scanner/nextline?rev=1365581665&do=diff public String nextLine() return the scanned content from the input example nextLine() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); String line; System.out.print("Please enter what you want: "); line = scan.nextLine(); // read keyboard buffer … text/html 2024-02-16T01:06:05+02:00 https://code-reference.com/c/dos.h/setdate?rev=1708041965&do=diff struct time setdate( struct time ); description of setdate change the system date #include<stdio.h> #include<conio.h> #include<dos.h> int main(void) { struct date d; printf("Please type in new date ( day, month and year ) as int (ddmmyyyy):"); scanf("%d%d%d",&d.da_day,&d.da_mon,&d.da_year); setdate(&d); printf("System date is now %d/%d/%d\n",d.da_day,d.da_mon,d.da_year); getch(); return 0; } text/html 2024-02-16T01:05:54+02:00 https://code-reference.com/c/graphics.h/setaspectratio?rev=1708041954&do=diff setaspectratio Syntax of setaspectratio #include <graphics.h> void setaspectratio(int xasp, int yasp); Description of setaspectratio setaspectratio changes the default aspect ratio of the graphics system. The graphics system uses the aspect ratio to make sure that circles are round onscreen. If circles appear elliptical, the monitor is not aligned properly. You could correct this in the hardware by realigning the monitor, but it's easier to change in the software by using setaspectratio… text/html 2013-04-10T10:35:55+02:00 https://code-reference.com/java/control_structures/if?rev=1365582955&do=diff if ( condition == true ){ command; } check if a condition is true or false example of if in java package plausibilitycheck; import java.util.Scanner; public class Plausibilitycheck{ /** * @param args the command line arguments */ public static void main(String[] args) { int celsius; double fahrenheit; Scanner scan = new Scanner(System.in); System.out.print("Please type in Celsius : "); celsius = scan.nextInt(); … text/html 2018-01-12T07:29:08+02:00 https://code-reference.com/c?rev=1515738548&do=diff Online reference for the C (standard) library C is an imperative programming language that the computer scientist Dennis Ritchie developed in the early 1970s at Bell Laboratories for System Programming of the operating system Unix. C Library Overview Library Description assert.h Overview assertion ctype.h character classification math.h mathematical functions mysql Overview MySQL implementation stdarg.h Overview … text/html 2013-04-26T10:02:18+02:00 https://code-reference.com/java/classes/extends?rev=1366963338&do=diff extends extends an already existing class with custom methods package myclass.mydate; import java.util.Date; /* * extends Date = extends class java.util.Date * java.util.Date must be importet */ public class MyDate extends Date { public int getFullYear() { return this.getYear() + 1900; } // overrride the method getMonth from java.util.Date @Override public int getMonth() { return 99; } } text/html 2024-02-16T00:48:24+02:00 https://code-reference.com/c/stdlib.h?rev=1708040904&do=diff Numeric conversions Function Description atof converts a string to a floating-point value atoi converts a string to a integer value atol converts a string to a long integer value strtod converts a string to a double value strtol converts a string to a long integer value strtoul converts a string to a unsigned integer value Mathematical functions Function Description abs c… text/html 2014-06-04T18:45:53+02:00 https://code-reference.com/cpp/variables?rev=1401900353&do=diff Variables Variables are the means of storing data in a program. Say you want to make a calculator, you need to use variables. Say you want to make a program that takes in a word and then modifies it, you need to use variables. Variables can be created and “destroyed”(deconstructing comes later on so don't get your hopes up). The value or information that they store can be changed and in some cases, that you make it so, cannot be. Except for the syntax of the language, you are in control! text/html 2013-04-10T10:12:37+02:00 https://code-reference.com/java/lang/object/equals?rev=1365581557&do=diff Compares object and indecates if they equal equals(Object); return value: boolean true/false equals Example in java String a = "42"; String b = "144"; if ( a.equals(b) ) { System.out.println(b+" is the answer"); } else { System.out.println(b+" is probably not the answer"); } text/html 2013-04-10T10:12:06+02:00 https://code-reference.com/java/lang/math/round?rev=1365581526&do=diff rounds a number example of round in java package roundanumber; import java.lang.Math; public class Roundanumber { public static void main(String[] args) { // TODO code application logic here double number, number2; number = 33.384422; number2 = 33.898823; System.out.println("number: " + Math.round(number)); System.out.println("number2: " + Math.round(number2)); } } text/html 2013-04-05T14:42:32+02:00 https://code-reference.com/java/variables/define_a_block?rev=1365165752&do=diff create a block description define a block for local variables /** * Block for local variables */ { int help=5; System.out.println(help); } // block content is now trashed // System.out.println(help); // not possible to access the help variable text/html 2013-04-18T08:50:47+02:00 https://code-reference.com/java/lang/string/toarray?rev=1366267847&do=diff public char[] toCharArray() description of toCharArray() converts a string to a new character array example of toCharArray in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { String str = "some Text"; char[] text; System.out.println(str); // print the String text = str.toCharArray(); for (int i = 0; i <= text.length - 1; i++) { System.out.printl… text/html 2024-02-16T01:12:02+02:00 https://code-reference.com/java/io/printstream/print?rev=1708042322&do=diff Outputs the string parameter without a line return print(parameter): void parameters are: boolean, char, char[], double, float, int, long, Object, String return value: void Language Example System.out.print("Hello"); System.out.print("I am a programmer"); text/html 2024-02-16T01:03:57+02:00 https://code-reference.com/java/control_structures/continue?rev=1708041837&do=diff continiue; continiue breaks a loop at a given point and continiue the loop example of continiue in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i; for (i=40;i<=45;i++) { if (i==42) continue; System.out.println("The answer is probably not "+i); } } } text/html 2024-02-16T01:06:05+02:00 https://code-reference.com/c/dos.h/getdate?rev=1708041965&do=diff description of getdate Program to print the current system date, getdate c code below explain how to use this function to print computer date. #include<stdio.h> #include<dos.h> int main(void) { struct date d; getdate(&d); printf("Date is %d/%d/%d\n",d.da_day,d.da_mon,d.da_year); return 0; } text/html 2024-02-16T01:05:17+02:00 https://code-reference.com/c/datatypes/int?rev=1708041917&do=diff int int Integer 4byte* signed: -2147483648 - 2147483647 unsigned: 0 - 4294967295 2byte signed -32768 - 32767 unsigned: 0 - 65535 *hardware-dependent it is also possible that int 2Bytes big is On a 32 bit system it is 4 bytes You can use to find it out ;) text/html 2013-02-26T23:50:57+02:00 https://code-reference.com/c/mysql/mysql.h/mysql_commit?rev=1361919057&do=diff my_bool mysql_commit(MYSQL *mysql) description of mysql_commit mysql_commit Commits the current transaction. The action of this function is subject to the value of the completion_type system variable. if the value of completion_type is 2, the server performs a release after terminating a transaction and closes the client connection. The client program should call mysql_close(). text/html 2024-02-16T01:05:48+02:00 https://code-reference.com/c/graphics.h/initwindow?rev=1708041948&do=diff initwindow Syntax of initwindow #include "graphics.h" int initwindow(int width, int height, const char* title="Windows BGI", int left=0, int top=0, bool dbflag=false, closeflag=true); Description of initwindow The initwindow function is available in the winbgim implementation of BGI graphics. You do not need to include conio.h; just include graphics.h. The function initializes the graphics system by opening a graphics window of the specified size. The first two parameters (width and hei… text/html 2024-02-16T01:05:44+02:00 https://code-reference.com/c/stdio.h/bufsiz?rev=1708041944&do=diff type Macro #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ BUFSIZ The value for BUFSIZ should normally be 256 KB, 512 KB or 4096 KB. This depends on the system and the compiler. BUFSIZ C Sourcecode Example /* * BUFSIZ example code * http://code-reference.com/c/stdio.h/bufsiz */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main (void) { printf ("The m… text/html 2018-01-12T07:29:06+02:00 https://code-reference.com/java/datatypes?rev=1515738546&do=diff package datatypes; public class DataTypes { public static void main(String[] args) { // primitiv Datatypes boolean aa = true; // 1 bit char bb = 'A'; // 2 Bytes char cc = 65; // 2 Bytes byte dd = 12; // 1 Byte -128 - +127 short ee = 234; // 2 Bytes -32768 - +32767 int ff = 4711; // 4 Bytes long gg = 34567; // 8 Bytes float hh = 3.14f; // 4 Bytes d… text/html 2017-07-31T22:37:05+02:00 https://code-reference.com/wiki/syntax?rev=1501533425&do=diff DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing the Edit this page button at the top or bottom of the page. If you want to try something, just use the playground page. The simpler markup is easily accessible via quickbuttons, too. text/html 2024-02-16T01:05:42+02:00 https://code-reference.com/c/stdio.h/fclose?rev=1708041942&do=diff fclose #include <stdio.h> /* including standard library */ int fclose( FILE *stream ); Description Close the current stream / file Used to close the specified file (stream). You should always use this function, to clean up after using a file. Any data that has been written to the file, but not actually made it that far yet, i.e. which has only been written to the file buffer in memory, will then be actually written to the physical file itself by the operating system. The space i… text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/registerbgidriver?rev=1708041949&do=diff registerbgidriver Syntax of registerbgidriver #include <graphics.h> int registerbgidriver(void (*driver)(void)); Description of registerbgidriver registerbgidriver enables a user to load a driver file and "register" the driver. Once its memory location has been passed to registerbgidriver, initgraph uses the registered driver. A user-registered driver can be loaded from disk onto the heap, or converted to an .OBJ file (using BGIOBJ.EXE) and linked into the .EXE. Calling registerbgidrive… text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/registerbgifont?rev=1708041949&do=diff registerbgifont Syntax of registerbgifont #include <graphics.h> int registerbgifont(void (*font)(void)); Description of registerbgifont Calling registerbgifont informs the graphics system that the font pointed to by font was included at link time. This routine checks the linked-in code for the specified font; if the code is valid, it registers the code in internal tables. By using the name of a linked-in font in a call to registerbgifont, you also tell the compiler (and linker) to link … text/html 2013-04-11T10:03:40+02:00 https://code-reference.com/java/loops/while?rev=1365667420&do=diff while (condition) { //command } a while loop do something while a condition example of while loop in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i=4; while(i==4) { i++; } System.out.println("i is :" + i ); } } text/html 2024-02-16T00:48:14+02:00 https://code-reference.com/wiki/dokuwiki?rev=1708040894&do=diff DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful Formatting Syntax which makes sure the datafiles remain readable outside the Wiki and eases the creation of structured texts. All data is stored in plain text files -- no database is required. text/html 2024-02-16T01:06:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsfilemanager.h?rev=1708041981&do=diff NSFileManager NSFileManager class enables you to perform many generic file-system operations. init defaultManager text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/setgraphmode?rev=1708041949&do=diff setgraphmode Syntax of setgraphmode #include <graphics.h> void setgraphmode(int mode); Description of setgraphmode setgraphmode selects a graphics mode different than the default one set by initgraph. mode must be a valid mode for the current device driver. setgraphmode clears the screen and resets all graphics settings to their defaults (current position, palette, color, viewport, and so on). You can use setgraphmode in conjunction with restorecrtmode to switch back and forth between t… text/html 2013-02-09T01:10:31+02:00 https://code-reference.com/c/conio.h/getpass?rev=1360368631&do=diff char *getpass(const char *ptr); description of getpass reads a password getpass reads a password from the system console, after the user is prompted for a password to a null-terminated string and display the password has been disabled. A pointer to a null-terminated string of up to eight characters (not counting null terminator) is returned. text/html 2013-04-10T10:10:51+02:00 https://code-reference.com/java/lang/string/charat?rev=1365581451&do=diff charAt(int index) description of charAt returns char value at the specified index of string. example of charAt in java package lang; public class Lang { public static void main(String[] args) { String str = "test 1234"; char chr; chr = str.charAt(1); System.out.println(chr+" is the 2 char"); } } text/html 2024-02-16T01:12:02+02:00 https://code-reference.com/java/io/printstream/append?rev=1708042322&do=diff Appends a CharSequence append(char): PrintStream append(CharSequence): PrintStream append(CharSequence, int start, int end): PrintStream return value: PrintStream Language Example int i = 42; StringBuffer buf = new StringBuffer(42); buf.append(i); buf.append(" is a answer to a nice question"); System.out.println(buf); text/html 2013-04-10T10:11:22+02:00 https://code-reference.com/java/lang/string/touppercase?rev=1365581482&do=diff toUpperCase() toUpperCase(locale) description of toUpperCase returns the String, converted to uppercase. example of toUpperCase in java package lang; public class Lang { public static void main(String[] args) { String str = "test 1234"; str = str.toUpperCase(); // str = str.toUpperCase(Locale.SIMPLIFIED_CHINESE); // for Simplified Chinese System.out.println(str+" in uppercase"); } } text/html 2013-04-10T10:11:06+02:00 https://code-reference.com/java/lang/string/tolowercase?rev=1365581466&do=diff toLowerCase() toLowerCase(locale); description of toLowerCase returns the String, converted to lowerspace. example of toLowerCase in java package lang; public class Lang { public static void main(String[] args) { String str = "TEST 1234"; str = str.toLowerCase(); // str = str.toLowerCase(Locale.SIMPLIFIED_CHINESE); // for Simplified Chinese System.out.println(str+" in lowercase"); } } text/html 2014-03-14T18:43:10+02:00 https://code-reference.com/c/dos.h/gettime?rev=1394818990&do=diff struct time gettime( struct time ); description of gettime gettime function is used to find current system time. returns structure varibale of type ( struct time ). #include<stdio.h> #include<dos.h> int main(void) { struct time t; gettime(&t); printf("time is %d:%d:%d\n",t.ti_hour,t.ti_min,t.ti_sec); return 0; } text/html 2014-08-19T02:25:26+02:00 https://code-reference.com/objective-c/examples/uiwebview_using_local_resources?rev=1408407926&do=diff Sometimes you need or want to load a UIWebView displaying content provided with an app. If there is more then one site it might make sense to have an external .css or .js file for all your html content. Whatever, I was facing this problem currently and decided to provide my solution to you. text/html 2018-01-12T07:29:07+02:00 https://code-reference.com/java/loops/do?rev=1515738547&do=diff do { command; } while (condition); a do loop will run while a condition is false example of do loop in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i=4; do { i++; } while(i==4); System.out.println("i is :" + i ); } } text/html 2024-02-16T01:12:05+02:00 https://code-reference.com/java/lang/string/replace?rev=1708042325&do=diff public String replace(CharSequence target, CharSequence replacement) description of replace this method is used to replace a char Sequence example of replace in java package replace; public class ReplaceString { public static void main(String[] args) { String str = "Hello"; str = str.replace("el", "xx"); System.out.println("String after replacement :"+ str ); } } text/html 2024-02-16T01:03:57+02:00 https://code-reference.com/java/control_structures/break?rev=1708041837&do=diff break; continiue breaks a loop at a given point and exit the loop example of break in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i; for (i=42;i<=45;i++) { if (i==43) break; System.out.println("The answer is probably "+i); } } } text/html 2024-02-16T01:05:54+02:00 https://code-reference.com/c/graphics.h/pieslice?rev=1708041954&do=diff pieslice Syntax of pieslice #include <graphics.h> void pieslice(int x, int y, int stangle, int endangle, int radius); Description of pieslice pieslice draws and fills a pie slice centered at (x,y) with a radius given by radius. The slice travels from stangle to endangle. The slice is outlined in the current drawing color and then filled using the current fill pattern and fill color. The angles for pieslice are given in degrees. They are measured counterclockwise, with 0 degrees at 3 o'c… text/html 2024-02-16T01:05:54+02:00 https://code-reference.com/c/graphics.h/arc?rev=1708041954&do=diff arc Syntax of arc #include <graphics.h> void arc(int x, int y, int stangle, int endangle, int radius); Description of arc arc draws a circular arc in the current drawing color centered at (x,y) with a radius given by radius. The arc travels from stangle to endangle. If stangle equals 0 and endangle equals 360, the call to arc draws a complete circle. The angle for arc is reckoned counterclockwise, with 0 degrees at 3 o'clock, 90 degrees at 12 o'clock, and so on. The linestyle parameter … text/html 2024-02-16T01:04:19+02:00 https://code-reference.com/arduino/usb_leonardo_and_due_only/mousekeyboard?rev=1708041859&do=diff These core libraries allow an Arduino Leonardo, Micro, or Due board to appear as a native Mouse and/or Keyboard to a connected computer. A word of caution on using the Mouse and Keyboard libraries: if the Mouse or Keyboard library is constantly running, it will be difficult to program your board. Functions such as Mouse.move() and Keyboard.print() will move your cursor or send keystrokes to a connected computer and should only be called when you are ready to handle them. It is recommended to us… text/html 2024-02-16T01:05:58+02:00 https://code-reference.com/c/graphics.h/restorecrtmode?rev=1708041958&do=diff restorecrtmode Syntax of restorecrtmode #include <graphics.h> void restorecrtmode(void); Description of restorecrtmode restorecrtmode restores the original video mode detected by initgraph. This function can be used in conjunction with setgraphmode to switch back and forth between text and graphics modes. textmode should not be used for this purpose; use it only when the screen is in text mode, to change to a different text mode. text/html 2024-02-16T01:05:52+02:00 https://code-reference.com/c/graphics.h/getactivepage?rev=1708041952&do=diff getactivepage Syntax of getactivepage #include "graphics.h" int getactivepage(void); Description of getactivepage The getactivepage function is available in the winbgim implementation of BGI graphics. getactivepage gets the page number of the currently active page (where drawing takes place). The active graphics page might not be the one you see onscreen, depending on how many graphics pages are available on your system. The original winbgi was designed to support up to 16 pages, but I … text/html 2024-02-16T01:05:48+02:00 https://code-reference.com/c/graphics.h/setactivepage?rev=1708041948&do=diff setactivepage Syntax of setactivepage #include <graphics.h> void setactivepage(int page); Description of setactivepage setactivepage makes page the active graphics page. All subsequent graphics output will be directed to that graphics page. The active graphics page might not be the one you see onscreen, depending on how many graphics pages are available on your system. Only the EGA, VGA, and Hercules graphics cards support multiple pages. text/html 2024-02-16T01:04:02+02:00 https://code-reference.com/java/variables/global_variable?rev=1708041842&do=diff define a global variable in java, after the public class block example of global varialbe in java package codereferececomjava; public class CodeRefereceComJava { public static int globalDigit; // define a global variable public static void main(String[] args) { int digit = 5; // define and inital a local variable globalDigit = digit; // initalisize the global variable funct(); // call funct(); } public static void f…