how to print array in java

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how to print array in java

method 1 Arrays.toString

/**
 * @author lautturi.com
 * Java example: print an array in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		int[] arr = { 1, 3, 5, 2, 4 };
		System.out.println( Arrays.toString( arr ));

	}
}

output:

[1, 3, 5, 2, 4]

method 2 iterate through the array

/**
 * @author lautturi.com
 * Java example: iterate through the array and print it's elements
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		int[] arr = { 1, 3, 5, 2, 4 };
		for (int element : arr) {
			System.out.print(element+" ");
		}
		System.out.println();

	}
}

output:

1 3 5 2 4

method 3 using for loops to iterate through the array to work with its elements

/**
 * @author lautturi.com
 * Java example: 
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		int[] arr = { 1, 3, 5, 2, 4 };
		for(var i = 0; i < arr.length ; i++){
			System.out.print(arr[i]+" ");
		}
		System.out.println();

	}
}

output:

1 3 5 2 4
Created Time:2017-09-12 22:52:31  Author:lautturi