Using an Array Data Structure to Declarate Elements

In Java, arrays are more than just simple data structures; they function as specialized objects tailored to store multiple values sequentially in memory. Unlike some other languages, Java's approach to arrays ensures that every element within an array is of the same type. This uniformity allows for efficient access and storage, with arrays being versatile enough to contain either the fundamental primitive data types, like int or double, or references to objects. To declare an array in Java, the programmer specifies the data type of the elements it will hold, followed by an identifier (name of the array), which is then wrapped within square brackets. For instance, int[] myArray; would declare an array meant to store integers. After declaration, arrays need allocation, typically done using the new keyword, which reserves the necessary memory. Subsequently, arrays can be initialized, assigning values to each position. Java provides many ways to achieve this, from simple for-loops to array initializers. In this Java Array Declaration Example, we created different arrays differently. Click Execute to run the Java Array Declaration Example online and see the result.
Using an Array Data Structure to Declarate Elements Execute
public class ArrayDemo {
    public static void main(String[] args) {
        int[] ages = {25, 30, 35, 40, 45};

        char[] vowels;

        vowels = new char[] {'a', 'e', 'i', 'o', 'u'};

        System.out.println("First age: " + ages[0]);
        System.out.println("Second vowel: " + vowels[1]);
Updated: Viewed: 38 times