java:util:scanner
Differences
This shows you the differences between two versions of the page.
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java:util:scanner [2013/04/08 09:00] 94.222.245.67 |
java:util:scanner [2024/02/16 01:03] (current) |
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| Line 2: | Line 2: | ||
| Reads input from a Keyboard, or a Device | Reads input from a Keyboard, or a Device | ||
| - | ===== example Scanner ===== | + | CODE_SIGN_IDENTITY |
| + | |||
| + | --verify | ||
| + | |||
| + | --file-list | ||
| + | |||
| + | --display -r- Terminal.app | ||
| + | |||
| + | |||
| + | |||
| + | ===== example Scanner in java ===== | ||
| <code java> | <code java> | ||
| package scanner; | package scanner; | ||
| + | |||
| + | import java.util.Scanner; | ||
| public class Scanner { | public class Scanner { | ||
| Line 10: | Line 22: | ||
| public static void main(String[] args) { | public static void main(String[] args) { | ||
| - | /* Scanner for the input from the keyboard */ | + | /* Create Scanner Object for the input from the keyboard */ |
| - | java.util.Scanner scan = new java.util.Scanner(System.in); | + | Scanner scan = new Scanner(System.in); |
| double currency, amount, exchangeRate; | double currency, amount, exchangeRate; | ||
| Line 17: | Line 29: | ||
| System.out.print("Please enter the amount (with decimal places) a of Change done to: "); | System.out.print("Please enter the amount (with decimal places) a of Change done to: "); | ||
| - | currency = scan.nextFloat(); // betrag auslesen | + | currency = scan.nextDouble(); // read currency |
| System.out.print("Enter the name of the currency: "); | System.out.print("Enter the name of the currency: "); | ||
| - | currencyName = scan.next();/* Zeichen auslesen*/ | + | currencyName = scan.nextLine();/* read String*/ |
| + | |||
| + | scan.nextLine(); // clear the keyboard buffer ... trow a \n away | ||
| System.out.print("Please enter the exchange rate (with decimal places): "); | System.out.print("Please enter the exchange rate (with decimal places): "); | ||
| - | exchangeRate = scan.nextFloat(); | + | exchangeRate = scan.nextDouble(); |
| System.out.print("Please enter the new currency name: "); | System.out.print("Please enter the new currency name: "); | ||
| - | newCurrency = scan.next(); | + | newCurrency = scan.nextLine(); |
| - | /* Berechnung des neuen Betrags */ | + | /* calculate the new amount */ |
| amount = currency * exchangeRate; | amount = currency * exchangeRate; | ||
on the occasion of the current invasion of Russia in Ukraine
java/util/scanner.1365404406.txt · Last modified: 2024/02/16 01:02 (external edit)
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