Java中,自加运算符的赋值特性
时间:2021-02-22 12:01:13
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为了方便理解,我们先看一段代码:
int a = 3;
System.out.println(a); // 3
int b = a++; //运行顺序是先赋值,再自增
System.out.println(a); //a = a+1; 4
System.out.println(b); //b = a; 3
int c = ++a; //运行顺序是先自增,再赋值
System.out.println(a); //a = a+1; 5
System.out.println(c); //c = a+1; 5
//结果输出如下
3
4
3
5
5
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