[javaSE] 标识符大小写详解编程语言

public class VariableDemo { 
    public static void test(){ 
        System.out.println("11"); 
    } 
    public static void tEst(){ 
        System.out.println("22"); 
    }     
    /** 
     * @param args 
     */ 
    public static void main(String[] args) { 
         
        test();//输出 11 
    } 
}

<?php 
class VariableDemo{ 
    public static function test(){ 
        echo 11; 
    } 
    public static function tEst(){ 
        echo 22; 
    } 
    public static function main(){ 
        VariableDemo::test();//输出 Fatal error: Cannot redeclare VariableDemo::tEst() 
    } 
} 
VariableDemo::main();