Java array ArrayIndexOutOfBoundsException

/**
 * @author lautturi.com
 * Java example: Java example of java.lang.ArrayIndexOutOfBoundsException 
 */

import java.util.*;
import java.time.*;

public class Lautturi {
	public static void main(String[] args) {
		int[] array = new int[3];
		array[0] = 1;
		array[1] = 3;
		array[2] = 5;

		// works fine
		for (int i = 0; i < array.length; i++)
			System.out.println(array[i]);

		// Exception : index = array.length out of bounds
		for (int i = 0; i <= array.length; i++)
			System.out.println(array[i]);
			
		// Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 3
		System.out.println(array[3]);
	}
}