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  1. 123

    An array in Java is a data structure that allows you to store multiple values of the same type in a single variable. Arrays are fixed in size and provide efficient access to elements using their indices. Below is a simple Java program demonstrating the basic concepts of arrays, including declaration, initialization, and traversal.

    Example Program: Declaring, Initializing, and Accessing an Array

    public class BasicArrayExample {
    public static void main(String[] args) {
    // Step 1: Declare and Initialize an Array
    int[] numbers = {10, 20, 30, 40, 50};

    // Step 2: Access and Print Array Elements Using a For Loop
    System.out.println("Array Elements:");
    for (int i = 0; i < numbers.length; i++) {
    System.out.println("Element at index " + i + ": " + numbers[i]);
    }

    // Step 3: Calculate the Sum of Array Elements
    int sum = 0;
    for (int num : numbers) {
    sum += num;
    }
    System.out.println("Sum of Array Elements: " + sum);

    // Step 4: Find the Largest Element in the Array
    int max = numbers[0];
    for (int num : numbers) {
    if (num > max) {
    max = num;
    }
    }
    System.out.println("Largest Element: " + max);
    }
    }
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  2. Programiz
    https://www.programiz.com › java-programming › arrays

    Java Array (With Examples) - Programiz

    In this tutorial, we will learn to work with Java arrays. We will learn to declare, initialize, and access array elements with the help of examples. An array is a collection of simila…
    How to Declare An Array in Java?

    In Java, here is how we can declare an array. 1. dataType - it can be primitive data types like int, char, double, byte, etc. or Java objects 2. arrayName - it is an identifier For example, Here, data is an array that can hold values of type double. But, how man…

    How to Initialize Arrays in Java?

    In Java, we can initialize arrays during declaration. For example, Here, we have created an array named age and initialized it with the values inside the curly brackets. Note that we have not provided the size of the array. In this case, the Java compiler a…

    How to Access Elements of An Array in Java?

    We can access the element of an array using the index number. Here is the syntax for accessing elements of an array, Let's see an example of accessing array elements using index numbers.

    Example: Compute Sum and Average of Array Elements

    Output: In the above example, we have created an array of named numbers. We have used the for...eachloop to access each element of the array. Inside the loop, we are calculating the sum of each element. Notice the line, Here, we are usin…

  3. GeeksForGeeks
    https://www.geeksforgeeks.org › java › arrays-in-java

    Arrays in Java - GeeksforGeeks

    • See More

    Mar 13, 2026 · An array is a collection of elements of the same data type stored in contiguous memory locations. It allows multiple values to be stored under a single name and accessed using an index. …

  4. Videos of Array Example Java

  5. W3School
    https://www.w3schools.com › java › java_arrays.asp

    Java Arrays - W3Schools

    Arrays are used to store multiple values in a single variable, instead of declaring separate variables for each value. To declare an array, define the variable type with square brackets [ ] : We have now …

  6. TutorialsPoint
    https://www.tutorialspoint.com › javaexamples › java_arrays

    Java Arrays - Programming Examples - Online Tutorials Library

    Learn how to play with arrays in Java programming. Here are most commonly used examples −

  7. oracle.com
    https://docs.oracle.com › javase › tutorial › java › nutsandbolts › arrays.html

    Arrays (The Java™ Tutorials > Learning the Java Language - Oracle

    In a real-world programming situation, you would probably use one of the supported looping constructs to iterate through each element of the array, rather than write each line individually as in the preceding …

  8. CodeGym
    https://codegym.cc › groups › posts › arrays-in-java

    Java arrays with Examples - CodeGym

    Apr 24, 2025 · In Java, arrays are often used to work with such structures, i.e. sets of homogeneous data. On CodeGym, you start working with arrays on Level 7 of …

  9. javaspring.net
    https://www.javaspring.net › blog › example-of-java-array

    Java Array Examples: A Comprehensive Guide - javaspring.net

    Jan 16, 2026 · They are widely used in various Java applications, from simple programs to complex enterprise - level systems. This blog post will provide an in-depth look at Java arrays, including …

  10. CodeChef
    https://www.codechef.com › blogs › arrays-in-java

    Arrays in Java (With Examples and Practice) - CodeChef

    Aug 7, 2024 · Learn about Arrays, the most common data structure in Java. Understand how to write code using examples and practice problems.

  11. BeginnersBook
    https://beginnersbook.com › java-arrays

    Arrays in Java – Tutorial - BeginnersBook

    Jun 11, 2024 · The following example demonstrates, how we declared an int array, initialized it with integers and print the elements of the array using for loop. Note: …

  12. javaknowledgebase.com
    https://javaknowledgebase.com › arrays-in-java-complete-guide-with-examples

    Arrays in Java – Complete Guide with Examples

    Sep 29, 2025 · Arrays are simple but powerful. Common array operations you’ll explain in your blog are: traversing, searching, sorting, copying, and insert/delete (resize-like operations). Below each operation …

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