Method being invoked on the object reference must return a value compatible with an int. : switch « Statements « SCJP

1. SCJP
2. Statements
3. switch

public class MainClass{
    public static void main(String[] argv){
        String s = "xyz";
        switch (s.length()) {
          case 1:
            System.out.println("length is one");
            break;
          case 2:
            System.out.println("length is two");
            break;
          case 3:
            System.out.println("length is three");
            break;
          default:
            System.out.println("no match");
        }

    }
}

length is three