General OOPS concepts in Java are: Objects and Classes Objects are runtime entities in an object-oriented system. An object can represent a person, a bank account, a place, a table of data. It may also represent user-defined data types like lists and vectors.

Method Calling in Java OOPs Concepts. Java only supports call by value. Here, we pass the values to the specific method, and then after the implication of the method, we get the expected results. For example: package xyz; public class Value {. public static void main (String [] args) {. int num = 25; change (num);

This is one of the most popular OOPS interview questions for experienced programmers. Method Overloading is a feature that allows methods to be defined by the same name, but perform different functions within the same class, if the arguments passed are different. Q5.