Untitled

class BinaryExample

{

    public static void binary(int a[],int left,int right,int search)

    {

       int mid=(left+right)/2;

       while(left<=right)

       {

           if(a[mid]<search)

           {

               left=mid+1;

               

           }

           else if(a[mid]==search)

           {

               System.out.println("the element is found at position"+mid);

               break;

               

           }

           else

           {

               right=mid-1;

           }

           mid=(left+right)/2;

       }

           if(left>right)

           {

               System.out.println("element not found");

           }

       }

        

        

        

        

public static void main(String[] args)

   {

        int a[] = {10,20,30,40,50};  

        int search = 20;  

        int right=a.length-1;  

        binary(a,0,right,search); 

        

    }

}