Label refers to the back followed by a colon identifier, such as: "lable:"
Java is for the sole use labels in place before the loop, while the Settings tab before the cycle is the only reason is: going to nest another cycle. Since the break and continue keywords will normally interrupt only the current loop, when used with a label they'll interrupt to where the label exists.
package lable;
/*
* 打印101~150之间的质数
*/
public class test {
public static void main(String[] args) {
outer:for (int i = 101; i <= 150; i++) {
for (int j = 2; j < i/2; j++) {
if(i%j==0) {
continue outer;
}
}
System.out.print(i+" ");
}
}
}