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 similar data types.

Java Arrays. 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:

Mar 28, 2025 · Basics of Arrays in Java. There are some basic operations we can start with as mentioned below: 1. Array Declaration. To declare an array in Java, use the following syntax: type[] arrayName; type: The data type of the array elements (e.g., int, String). arrayName: The name of the array. Note: The array is not yet initialized.

Jun 22, 2024 · Java Array Programs: Searching and Sorting Questions. Java Array Program to Search an Element in an Array; Java Array Program to Sort an Array; Java Array Program to Sort the 2D Array Across Columns; Java Array Program for Bubble Sort; Java Array Program for Insertion Sort; Java Array Program for Selection Sort; Java Array Program for Merge ...

Pre-requisite to solve these array programs in Java:- Array in Java, Multidimensional Array, Anonymous Array, Array of Objects, Jagged Array. Single-dimensional (1D) Array Programs in Java. More Simple Single Dimensional Array Programs in Java. Multi-dimensional array and Matrix Programs in Java.

This tutorial has covered the basics of arrays, providing a solid foundation for working with arrays in your Java programs. With practice, you will become comfortable using arrays to solve various programming problems.

Mar 22, 2025 · Basic Java Array Programs. Find the Length of an Array; Get Array Input; Different Ways to Print an Array; Print all Negative Elements in an Array; Find GCD of N Numbers; Copy an Array; Merge Two Arrays; The Sum of Two Arrays; Print Odd/Even No. from an Array; Put Even and Odd Elements in 2 Separate Arrays; Find the Sum of an Array; The Sum of ...

To demonstrate a practical example of using arrays, let's create a program that calculates the average of different ages: sum += age; } // Calculate the average by dividing the sum by the length . And in this example, we create a program that finds the lowest age among different ages:

Apr 24, 2025 · Java has the java.util.Arrays class for working with arrays. In general, the most common operations performed on arrays are initialization (filling with elements), retrieving an element (by index), sorting, and searching.

Here is the collection of Java Array programs with output on array operations, types of array, single-dimensional arrays, mathematical functions, sort, and merging operations.