package project2;public class EchoTestDrive {public static void main(String[] args){Echo e1=new Echo();Echo e2=new Echo();int x=0;while(x<4) { e1.hello(); e1.count=e1.count+1; if(x==3) { e2.count=e2.count+1; } if(x>0) { e2.count=e2.count+e1.count; }x=x+1;}System.out.println(e2.count);}}package project2;public class Echo {int count=0;void hello() { System.out.println("helloooo");}}输出:helloooohelloooohelloooo10没看懂代码运算的过程,麻烦详细点,谢谢。
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