A java program to check if an array contains a value suing the Apache common lang library's `ArrayUtils.contains()` method. Check the blogpost at https://coderolls.com/java-check-if-array-contains-value-or-element/

ArrayUtilsExample.java

import org.apache.commons.lang3.ArrayUtils;

/**
 * A java program to check if an array contains a value suing the 
 * Apache common lang library's ArrayUtils.contains() method
 * 
 * @author Gaurav Kukade at coderolls.com
 *
 */
public class ArrayUtilsExample {

	public static void main(String[] args) {
		
		// check in primitive ( int[]) array
		int[] numbers = {1, 2, 3, 4, 5, 6, 7, 8, 9};
		int intToCheck = 8;
		
		boolean containsInt = ArrayUtils.contains(numbers, intToCheck);
		
		if(containsInt){
		    System.out.println("The numbers array contians the value '"+intToCheck+"'.");
		}else {
			System.out.println("The numbers array does not contian the value '"+intToCheck+"'.");
		}
		
		// check in String array
		String[] names = {"gaurav", "shubham", "krishna", "mayur"};
		String stringToCheck = "gaurav";
		
		boolean containsString = ArrayUtils.contains(names, stringToCheck);
	
		if(containsString) {
			System.out.println("String value '"+stringToCheck+"' is present in names array.");
		}else {
			System.out.println("String value '"+stringToCheck+"' is not present in names array.");
		}	
	}
}