// Search for the number 31 in a set of integers

// This search takes place in main.

// This search could also have been placed in a method.

public class BreakBooleanDemo

{

     public static void main(String[ ] args)

     {

           int[ ] numbers = { 12, 13, 2, 33, 23, 31, 22, 6, 87, 16 };

           int key = 31;

           int i = 0;

           boolean found = false;    // set the boolean value to false until the key is found
          for ( i = 0; i < numbers.length; i++)

          {

                 if (numbers[ i ]  == key)

                {

                         found = true;

                         break;

                 }

           }
          if (found)   //When found is true, the index of the location of key will be printed.

          {

                System.out.println("Found " + key + " at index " + i + ".");

          }

          else

          {

                System.out.println(key + "is not in this array.");

          }

      }

}