This tutorial will help you to learn the difference between JDK, JRE and JVM. JDK Java Development Kit (JDK) is a kit which provides the environment to develop and execute java programs. It is the superset of JRE (Java Runtime Environment) and includes tools for developing, debugging and monitoring the java applications. JDK includes two things: Development Tools: To provide an environment to develop your java programs. JRE: To execute your java program. Development part is the one, which contains

Marker interface in Java is an empty interface having no fields or methods. Simply we can say that it’s an interface which is used to convey the JVM that a class executing an interface of this category will have some special behavior. Need for Marker Interface 1. Marker interface in java is used to point out to JVM that the class implementing marker interface will have some special characteristics. 2. Marker interface also endow a way to associate metadata with

Here you will learn about difference between java, core java and advance java. Mostly beginner java programmers have confusion about these 3 terms in their mind. Below I have explained them to clear their confusion. Java It is a high level programming language. Java is available in three flavors. Java Standard Edition (J2SE or JSE) Java Enterprise Edition (J2EE or JEE) Java Macro Edition (J2ME or JME) Java is a combination of above there things. Core Java (J2SE or JSE)

Can we override static method? is another important java interview question. Lets first take a look on what is method overriding. Method Overriding: When parent and child class have methods with same signature then it is called as method overriding. At run time compiler decides which method to call depending upon object type. Also Read: Can We Overload main Method in Java? Can We Override static Method in Java? No, we can’t override static method. Static method is not a part of object,

Here you will get answer for very basic question asked by beginners i.e. can we overload main method in Java? A function is overloaded in java by changing the number of arguments or their type. The main method can also be overloaded in the same way we overload any other method. How Can We Overload main Method in Java? Take below example.

Output String args[] In above program there are 3 overloaded main methods. If you will run the program it