linear-search.java

//Linear search to check for a given key in an array

public class MyLinearSearch{ 
public static int linearSearch(int[] arr, int key){ 
 for(int i=0;i<arr.length;i++){ 
 if(arr[i] == key){ 
 return i; 
 } 
 } 
 return -1; 
 } 
 public static void main(String args[]){ 
 int[] arr1= {10,20,30,50,70,90}; 
 int key = 30; 
 System.out.println(key+" is present and is found at index: "+linearSearch(arr1, key)); 
 } 
} 

// For running in terminal rename this file to MyLinearSearch.java
//then run the commands <javac MyLinearSearch.java> followed by <java MyLinearSearch>
//It will generate and a MyLinearSearch.class file which is a file containing java bytecode that is executed by JVM.