Binary Search Java Program

import java.util.Arrays;
import java.util.Scanner;

public class BinarySearch{
public static void main(String[] args){
Scanner in = new Scanner(System.in);
System.out.println("Enter the size of the array which should be greater than zero else it will throw InputMismatchException : ");
int size = in.nextInt();
int[] array = new int[size];
System.out.println("Enter the elements of the array: ");
for(int i=0; i<size; i++){
array[i] = in.nextInt();
}
System.out.println("Enter the search element: ");
int s = in.nextInt();

Arrays.sort(array); //binary search will work on sorted array only so sort first
int first, last, middle;
first=0;
last = size-1;
middle = (first+last)/2;
int i=0;
for(; i<size; i++){
if(s>array[middle]){
first = middle+1;
}else if(s<array[middle]){
last = middle-1;
}else{
printArray(array);
System.out.println("Element "+s+" found in the array.");
break;
}
middle= (first+last)/2;
}
if(i==size){
printArray(array);
System.out.println("Element "+s+" is not found in the array");
}
}
public static void printArray(int[] a){
System.out.println("Array of elements: ");
System.out.print("{");
for(int i:a){
System.out.print(i+",");
}
System.out.println("}");
}
}


OUTPUT:-