Java-Arrays

120+ posts

How to Add Random Number to an Array in Java?

Last Updated: 12 February 2024

To an array of integers with random values the nextInt() method from the java.util.Random class is used. From the random number generator se ...read more

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Arrays

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Sorting Elements of Arrays and Wrapper Classes that Already Implements Comparable in Java

Last Updated: 09 February 2023

Java provides the Comparable interface to sort objects using data members of the class. The Comparable interface contains only one method co ...read more

How to Convert LinkedHashMap to Two Arrays in Java?

Last Updated: 07 January 2021

LinkedHashMap is a pre-defined class in java like HashMap. The only difference between LinkedHashMap and HashMap is LinkedHashMap preserve i ...read more

Technical Scripter 2020

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Java Program to Compare two Double Arrays

Last Updated: 28 December 2020

Java double array is used to store double data type values only. The default value of the elements in a double array is 0.We can compare two ...read more

Technical Scripter 2020

Determine the Upper Bound of a Two Dimensional Array in Java

Last Updated: 26 October 2020

Multidimensional arrays in Java are common and can be termed as an array of arrays. Data in a two-dimensional array in Java is stored in 2D ...read more

Simplest and Best method to print a 2D Array in Java

Last Updated: 25 November 2019

Given a 2d array arr in Java, the task is to print the contents of this 2d array.Method 1: Loop methodThe first thing that comes to mind is ...read more

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Java-Arrays

Check whether array has all identical elements using Arrays.asList() and HashSet in Java

Last Updated: 18 June 2019

Given an array arr[] of N elements, the task is to check whether the array have all same (identical) elements or not without using the loop. ...read more

Program to convert Byte Array to Writer in Java

Last Updated: 11 December 2018

References: Writer ClassApproach:Writer class is used to write character stream, by which byte array can be passed as an argument. By this w ...read more

Technical Scripter 2018

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Java-Array-Programs

Array setFloat() method in Java

Last Updated: 30 November 2018

The java.lang.reflect.Array.setFloat() is an inbuilt method in Java and is used to change a specified float value to a specified index of a ...read more

java-reflection-array

java-lang-reflect-package

Array setInt() method in Java

Last Updated: 10 November 2022

The java.lang.reflect.Array.setInt() is an inbuilt method in Java and is used to set a specified int value to a specified index of a given o ...read more

java-reflection-array

java-lang-reflect-package

Array getFloat() Method in Java

Last Updated: 30 November 2018

The java.lang.reflect.Array.getFloat() is an inbuilt method of Array class in Java and is used to return the element present at the given in ...read more

java-reflection-array

java-lang-reflect-package

Array getBoolean() Method in Java

Last Updated: 30 November 2018

The java.lang.reflect.Array.getBoolean() returns the given index from the specified Array as a short.Syntax:Array.getBoolean(Object []array, ...read more

java-reflection-array

java-lang-reflect-package

Java | Arrays | Question 7

Last Updated: 28 June 2021

Output of following Java program?[sourcecode language="Java"]import java.util.Arrays;class Test{ public static void main (String[] args) ...read more

Java Quiz

Arrays

Java-Arrays

Java | Arrays | Question 5

Last Updated: 28 June 2021

[sourcecode language="C"]public class Main { public static void main(String args[]) { int arr[][] = new int[4][]; arr[0] = ...read more

Java Quiz

Arrays

Java-Arrays

Java | Arrays | Question 4

Last Updated: 28 June 2021

[sourcecode language="Java"]class Test { public static void main(String args[]) { int arr[] = new int[2]; System.out.println(arr ...read more

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