Java跳出循环的区别

1.return 跳出returnAndBreak方法

// 演示示例
public void returnAndBreak() {
int i = 0;
String interleave = "ON";

System.out.println("==== return ====");
while (i < 10) {
System.out.println(" OUT==================== ");
i ++ ;
if ( interleave.equalsIgnoreCase("ON") ) {
return;
}
System.out.println("i = " + i);
}
System.out.println("==== return ====");
}
// 输出结果
==== return ====
OUT====================

2.break 跳出while (i < 10) {} 循环

// 演示示例
public void returnAndBreak() {
int i = 0;
String interleave = "ON";

System.out.println("==== break ====");
while (i < 10) {
System.out.println(" ==================== ");
i ++ ;
if ( interleave.equalsIgnoreCase("ON") ) {
break;
}
System.out.println("i = " + i);
}
System.out.println("==== break ====");
}
// 输出结果：
==== break ====
====================
==== break ====

3.if条件判断 + continue 中断循环进行下一次循环(此例演示的加条件判断后，如果条件满足，后面的步骤就不执行了)

// 演示示例
public void returnAndBreak() {
int i = 0;
String interleave = "ON";

System.out.println("==== continue ====");
while (i < 10) {
System.out.println(" ==================== ");
i ++ ;
if ( interleave.equalsIgnoreCase("ON") ) {
continue;
}
System.out.println("i = " + i);
}
System.out.println("==== continue ====");
}
输出结果：
==== continue ====
====================
====================
====================
====================
====================
====================
====================
====================
====================
====================
==== continue ====

雕虫小技而言，呵呵