Java - Medium Articles

Angle Bracket <> in Java with Examples

Angle Bracket in Java is used to define Generics. It means that the angle bracket takes a generic type, say T, in the definition and… Read More

Picked

Java

foreach() loop vs Stream foreach() vs Parallel Stream foreach()

foreach() loop Lambda operator is not used: foreach loop in Java doesn’t use any lambda operations and thus operations can be applied on any value… Read More

Picked

Difference Between

Java

Modifiers classModifiers() method in Java with Examples

The classModifiers() method of java.lang.reflect.Modifier class is used to get an integer value together with the modifiers of source language that can be applied to… Read More

Java-Functions

java-lang-reflect-package

Java-Modifier

Java

Java Tokens

In Java, Tokens are the smallest elements of a program that is meaningful to the compiler. They are also known as the fundamental building blocks… Read More

java-basics

Java

How String Hashcode value is calculated?

The String hashCode() method returns the hashcode value of this String as an Integer. Syntax: public int hashCode() For Example: import java.io.*; class GFG… Read More

Java-Strings

Java

How to Print an Array in Java Without using Loop?

Given an array arr in Java, the task is to print the contents of this array without using any loop. First let’s see the loop method. … Read More

Java-Array-Programs

Java

Java Programs

Swap characters in a String

Given a String S of length N, two integers B and C, the task is to traverse characters starting from the beginning, swapping a character… Read More

Constructive Algorithms

rotation

Swap-Program

DSA

Java

Strings

Implementing Generic Graph in Java

Prerequisite: Generic Class We can also use them to code for Graph in Java. The Graph class is implemented using HashMap in Java. As we… Read More

Data Structures

DSA

Graph

Java

Java Programs

Hamming code Implementation in Java

Pre-requisite: Hamming code Hamming code is a set of error-correction codes that can be used to detect and correct the errors that can occur when… Read More

cryptography

Computer Networks

Java

Java Programs

Nearest greater number by interchanging the digits

Given two integers A and B. The task is to find the nearest greater value to B by interchanging the digits of A. If no… Read More

number-digits

Data Structures

DSA

Java

Java Programs

Mathematical

Recursion

Optional ifPresentOrElse() method in Java with examples

The ifPresentOrElse(Consumer, Runnable) method of java.util.Optional class helps us to perform the specified Consumer action the value of this Optional object. If a value is… Read More

Java - util package

Java-Functions

Java-Optional

Java

Optional ofNullable() method in Java with examples

The ofNullable() method of java.util.Optional class in Java is used to get an instance of this Optional class with the specified value of the specified… Read More

Java - util package

Java-Functions

Java-Optional

Java

Path getFileName() method in Java with Examples

The Path interface was added to Java NIO in Java 7. The Path interface is located in the java.nio.file package, so the fully qualified name… Read More

Java-Functions

Java-Path

java.nio.file package

Java

What is the Role of Java in the IT Industry?

The IT industry, especially in India, heavily uses Java in most of their projects. Being a Java developer, one should have the knowledge about the… Read More

Articles

GBlog

Java

Java Programs

How to call private method from another class in Java with help of Reflection API?

We can call the private method of a class from another class in Java (which is defined using the private access modifier in Java). We… Read More

access modifiers

Java-Functions

java-lang-reflect-package

Java

Java.util.concurrent.ExecutorService Interface with Examples

The ExecutorService interface extends Executor by adding methods that help manage and control the execution of threads. It is defined in java.util.concurrent package. It defines… Read More

Java - util package

Java-concurrent-package

Java

Difference between Early and Late Binding in Java

Early Binding: The binding which can be resolved at compile time by the compiler is known as static or early binding. Binding of all the… Read More

Picked

Difference Between

Java

Understanding Object Cloning in Java with Examples

In this article we discuss the Cloneable interface that indicates that a class has provided a safe clone() method. To understand what cloning means recall… Read More

Java

How to pass integer by reference in Java

Java is pass by value and it is not possible to pass integer by reference in Java directly. Objects created in Java are references which… Read More

Picked

Java

OptionalInt getAsInt() method in Java with examples

OptionalInt help us to create an object which may or may not contain a int value. The getAsInt() method returns value If a value is… Read More

Java - util package

Java-Functions

Java-OptionalInt

Java