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java:variables:global_variable [2024/02/16 01:04] (current) |
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+ | ====== global variable ====== | ||
+ | define a global variable in java, after the public class block | ||
+ | ===== example of global varialbe in java ===== | ||
+ | <code 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 funct() { | ||
+ | System.out.println(globalDigit); // print out the global variable | ||
+ | } | ||
+ | |||
+ | } | ||
+ | |||
+ | </code> | ||
+ | |||
+ | === output of global variable === | ||
+ | 42 |