In Java SE, variable scope determines where they are accessible and valid within a program. Local variables are confined to the block, method, or constructor where they are declared, created when ...

Can have instance mutable fields, parameters, or local variables. Only functional interfaces can use the lambda feature in Java. Abstract classes with only one abstract method cannot use lambdas.

a. Using the new keyword we can create an object in java . Eg: Employee emp = new Employee(); 2. What is the use of a new keyword in java ? a. new keyword is used to create an Object in the heap area.

Ans. Define a Class: First, you need to define a class. A class is like a blueprint for objects. It defines the properties (fields) and behaviors (methods) that objects of that class will have.