Java中的代码块标记

taga: {for (int k = 0; k < 5; k++) {System.out.println("kkkkkk:   " + k);if (k >= 3) {break taga;}tagb: for (int i = 0; i < 10; i++) {System.out.println("i:   " + i);if (i == 2) {break tagb;}}}}