How to Fix java.net.ConnectException Connection refused connect in Java

Minimum Coins for Making a Given Value in Java

In this section, we are going to learn how one can use minimum coins for making a given value. The problem of making a given value using minimum coins is a variation of coin change problem. In this problem, a value Y is given. The task is...

6 min read

Various Operations on Queue in Java

In computer science, queues are a basic data structure that are frequently used, especially in programming. It is a collection of items that are added and taken out in a particular sequence called the first-in, first-out (FIFO) order. Queues can be implemented in a variety of...

4 min read

Bully algorithm in Java

The bully algorithm is a type of Election algorithm which is mainly used for choosing a coordinate. In a distributed system, we need some election algorithms such as bully and ring to get a coordinator that performs functions needed by other processes. Election algorithms select a single...

4 min read

Access Specifiers vs Modifiers

Difference Between Access Specifiers and Modifiers In Java, the access modifiers are used for restricting the scope of a class and its data members, member function, and constructor. Access modifiers play an important in designing Java programs and Java applications. Java has the following access modifiers: private protected public default Default Access Modifiers When...

3 min read

Constructor overloading in Java

Constructor Overloading in Java In Java, we can overload constructors like methods. The constructor overloading allows a class to have multiple constructors with different parameter lists. Important Points to Remember A class can have multiple constructors. Each overloaded constructor must have a different parameter list. The difference may lie...

6 min read

Maximum Rectangular Area in a Histogram in Java

In this section, we will see how one can compute the maximum rectangular area in the histogram. What is maximum rectangular area in the histogram? The maximum rectangle that has to be created should be made of continuous bars. For the sake of simplicity, we will assume that...

10 min read

Java Program to Check If Array Is Palindrome

A palindromic array reads the same backward as forward, similar to a palindromic string. Checking this involves comparing elements symmetrically from both ends. The Java program iterates through the array, verifying if the first and last elements, and so on, are equal, ensuring a simple and...

7 min read

Java Array.asList() Method

In Java, the Arrays.asList() method is a utility method that belongs to the java.util.Arrays class. It converts an array into a List. The List returned by the method is a fixed-size list backed by the original array, means that while we access elements and try...

7 min read

MetaClass in Java

Java itself does not have the concept of a MetaClass. Net, but the ideas behind MetaClasses can be found in many libraries and frameworks. It is noteworthy that in Java, MetaClass is usually understood as the class that contains meta-information about other classes and enables dynamic...

5 min read

Types of events in Java

An event is one of the most important concepts in Java. The change in the state of an object or behavior by performing actions is referred to as an Event in Java. Actions include button click, keypress, page scrolling, or cursor movement. Java provides a package java.awt.event...

7 min read