Java Object toString method is one of the basics in Java. toString function returns a string representation of an object. I’ll explain how to add toString method to a Java class with code examples. Using toString in Java To string method in Java should be informative to make it easy to read. it’s recommended to … Read more
One of the first thing that each beginner programmer should learn is a Java constructor. In this article, I’ll explain what is a constructor in Java (default and parametrized) and different methods how to create a constructor in Java with examples. I’ll show you how to overload constructors and how to access parent class constructor. … Read more
First of all, let’s define what is an immutable object in Java. It’s one of the most popular interview questions. An immutable object is an object that constructed once and can’t be changed in future. How to create an immutable class in Java? You should follow rules: Make fields private and final. Make class final … Read more