What is the output(sleeping thread)? : Questions « Thread « SCJP

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public class MainClass{
      public static void main(String [] args) {
         printAll(args);
      }
      public static void printAll(String[] lines) {
         for(int i=0;i<lines.length;i++){
            System.out.println(lines[i]);
           Thread.currentThread().sleep(1000);
        }
     }
  }