why is string is immutable in java?

* In Java, string objects are immutable in nature which simply means once the String object is creat ...


What is the difference between this() and super() in Java?

In Java, super() and this(), both are special keywords that are used to call the constructor. __ ...


What is the difference between equals() and == in Java?

* __Equals()__ method is defined in Object class in Java and used for checking equality of two objec ...


What is final keyword in Java?

__final__ is a special keyword in Java that is used as a non-access modifier. A final variable can b ...


What is the difference between a local variable and an instance variable?

__Local Variable:__ a local variable is typically used inside a method, constructor, or a block and ...


Can you explain the signature of main method in Java

Signature of main() method: ``` public static void main(String[] args) { // code comes here ...


What are the differences between the constructors and methods?

__Constructor:__ * A constructor is used to initialize the state of an object. * ...


What is a constructor?

A __constructor__ is a "kind of" method in java which is used to initialize objects. The constructor ...


What is the difference between an object-oriented programming language and object-based programming language?

__Object-Oriented Languages (OOP)__ follow all the concepts of OOPs whereas, __Object-based language ...


What is the difference between JDK, JRE, and JVM?

__Java Virtual Machine (JVM)__ is an abstraction layer between a Java application and the underlying ...


What are the types of access specifiers in Java?

In Java, access specifiers are the keywords which are used to define the access scope of the method, ...


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