Can a LABEL block be used without loop?

Question

Any example please?

Answer 1

  public static void main(String[] args)
  {
    hello: break hello;
  }

Answer 2

Here is an example of using labels and break statements without a loop:

        block1: {
            if (a < 0) {
                break block1;
            }
            if (b < 0) {
                break block1;
            }
            return a + b;
        }

Answer 3

If you want some unreadable code:

int i = 1;
int j = 1;
label: switch (i) {
case 1:
    switch (j) {
    case 1:
     break label;
    }
default:
    System.out.println("end");
}

Without break; will print "end". break label; will skip the print.

Answer 4

certainly:

private boolean isSafe(String data) {

 validation: {

  if (data.contains("voldemort")) {
   break validation;
  }
  if (data.contains("avada")) {
   break validation;
  }
  if (data.contains("kedavra")) {
   break validation;
  }
  return true;
 }
 return false;
}

@Optimize Prime: that's not possible. You can only continue or break a label from within it's scope, for example:

 label1: for (int i = 0; i < 4; i++) {
  for (int j = 0; j < 4; j++) {
   System.out.println(i + " " + j);
   if (i == j) {
    continue label1;
   }
  }
 }

produces:

0 0
1 0
1 1
2 0
2 1
2 2
3 0
3 1
3 2
3 3