Tag: core java
Java Classes & Objects
In Java, a “class” is like a blueprint for creating something called an “object”. An object can have properties and actions, just like things in the real world.
How to Use the Java Break Statement to Your Advantage
The Java break keyword is a way to break out of a while loop, for loop, do while loop, or switch, usually when a condition is met.
How to Implement the Singleton Design Pattern in Java
The Singleton is a creational Design Pattern whose purpose is to guarantee only one instance of the class gets created. Learn how to implement it in Java
Java Queue
A Java Queue is a FIFO(First-In-First-Out) data structure which means that the oldest item will be the first item that we will be able to remove from the queue
Java Stack
A Java Stack is a LIFO(Last-In-First-Out) data structure which means that the last inserted item will be the first item that we will be able to remove.
Exception Handling in Java – How to Use Try, Catch, Finally, Throw and Throws Keywords
An Exception is an error that is thrown when unexpected behavior occurs. For that reason it is vital to learn about Exception Handling in Java
Java Sealed Class & Interface
Java Sealed Classes & Interfaces allow the creation of restricted class hierarchies by limiting the number of subclasses of a class.
Java Method
A Java method is a block of code that has a single responsibility and may or may not return a value. Methods eliminate duplication and enhance readability
Java Generics
By utilizing Java Generics, you can make any class, interface, or method use members or variables that can be specified dynamically