Constructors in Java In Java, a constructor is a block of codes similar to the method. It is called when an instance of the object is created, and memory is allocated for the object. It is a special ...

What is a Java string? A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java.

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs.