Hierarchical Data Structures in Java
In Java, a hierarchical data structure organises data in a tree-like structure. Each node has one parent node and zero or more child nodes. The parent node is the node higher up in the...
Category: Java Tutorials
Java Project – Sudoku Game
In this project, we will create a FirstCode Sudoku Game in Java using Swing and the Abstract Window Toolkit. About Java Sudoku Game Sudoku is a popular logical puzzle game in which a grid...
Java final, finally and finalize
Final, Finally, finalise is a separate concept in Java, each with a unique function within the language. Final is a keyword in Java. When applied, it turns a variable into a constant, meaning its...
Exception Handling with Method Overriding in Java
An exception occurs when an unexpected event occurs during the execution of a program at runtime and disrupts the normal flow of programming instructions. Exceptions are used to handle errors at runtime, helping to...
Java Thread Scheduler
A Java component called a thread scheduler decides what threads to run or execute and where to wait. The thread scheduler in Java will select only threads that are in a runnable state. However,...
ConcurrentModificationException in Java
When working with Java collections, you may come across a ConcurrentModificationException. This exception occurs when you try to modify a collection while iterating over it, leading to unexpected behaviour or errors. A ConcurrentModificationException is...
Joining Threads in Java
The join() method of the Thread class enables one thread to wait until another thread has finished running. If t is a Thread object that is presently running, t.join() will ensure that t is...
Encapsulation in Java
In this article, we will explore the concept of encapsulation in the Java programming language. We will first discuss data hiding or abstraction, the need for encapsulation, and its advantages. We will examine various...
Daemon Thread in Java
A daemon is a special kind of thread in the Multithreaded Programming Environment that operates quietly and handles routine tasks that are not intrinsically significant to the program’s core function. Unlike regular threads, daemon threads...
Java String concat() Method with Examples
In this article, we will look at an inbuilt method of the String class called the concat() method in Java programming language. Let’s directly jump into the topic without beating around the bush by...