In this topic, we will learn about the differences between Array and ArrayList in Java. What is an Array in Java? An array is an indexed collection of a fixed number of homogeneous data types of elements. …

In this topic, we will learn how to sort ArrayList of objects in Java. ArrayList is a predefined class provided by the Collection framework and imported from java.util package. This class is commonly used by Java developers in their day-to-day life. There are different ways to sort ArrayList of objects…

In this topic, we will learn what is ArrayList in Java, how to create an ArrayList object in Java, the constructors of ArrayList and how to initialize ArrayList in Java. ArrayList is a class in Java. What is ArrayList in Java? ArrayList is one of the implementation classes of the List interface in Java. This…

In this topic, we will learn what Java Synchronized is and how to use it with examples. In Java Synchronized is a keyword. It marks a block or method in the code. This keyword is used where we need thread safety. After using this keyword one thread is executing at…

In this topic, we will learn about what is a List in Java. How to create a List in Java? What are the methods of List in Java? The List is an interface in Java. It is extending the Collection interface in Java. This List interface is present in the…

In this topic, we will learn what is generics in Java and its example to understand in a simple manner. Generics means parameterized type that accepts all kinds of data types such as Integer, Double, String, etc., and user-defined types to assign as a parameter to the methods, classes and…

In this topic, we will learn what are Serialization and Deserialization with examples in Java. Serialization is a process to convert the state of an object into a byte stream. This process helps to store or save a byte stream into the hard disk or socket, file or send over…

In this topic, we will learn what are the main differences between method overloading and method overriding in Java. So let’s begin with a simple way to understand the differences between method overloading and method overriding. Method Overloading vs Method Overriding in Java There are various differences between method overloading and method overriding in Java. These are…

When a class is having multiple methods having the same name but different argument types is called method overloading in Java. The method overloading is also known as Compile-time Polymorphism or Static Polymorphism or Early binding in Java. Example of Method Overloading public class Test { public void methodOne(){ System.out.println("no-arg method"); } public void methodOne(int…