Online Java Compiler

import java.util.Scanner; public class HelloWorld { public static void main(String[] args) { int a[]={1,2,3,4,5,6}; int key; System.out.println("found"); Scanner scan = new Scanner(System.in); key=scan.nextInt(); System.out.println("found"+key); scan.close(); //System.out.println(key+"found"+linear(a,key)); } /*public static int linear(int[] arr,int key) { int sum=arr.length; for(int i=0;i<sum;i++) { if(arr[i]==key) { return i; } } return -1; }*/ }