  import java.util.Arrays; 
  import java.util .Scanner; 
 
  /** 
     This program demonstrates the linear search algorithm. 
  */ 
  public class LinearSearchDemo 
  { 
     public static void main(String[] args) 
    { 
       int[] a = ArrayUtil.randomIntArray(20, 100); 
       System.out.println(Arrays.toString (a)); 
       LinearSearcher searcher = new LinearSearcher(a); 
 
       Scanner in = new Scanner(System.in); 
 
       boolean done = false; 
       while (!done) 
       { 
          System.out.print(Enter number to search for, -1 to quit: ); 
          int n = in.nextInt(); 
          if (n == -1) 
             done = true; 
          else 
          { 
             int pos = searcher.search(n); 
             System.out. println(Foundinposition + pos); 
          } 
       } 
    } 
 } 
