Core java - Interview Questions and Answers for 'Gemalto' | Search Interview Question

Core java - Interview Questions and Answers for 'Gemalto' - 2 question(s) found - Order By Newest

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Q1. Difference between Overloading and Overriding ?

Core Java

Ans. Overloading - Similar Signature but different definition , like function overloading.

Overriding - Overriding the Definition of base class in the derived class.

Sample Code for overloading

Sample Code for overriding

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Related Questions

What are the difference between composition and inheritance in Java?

Explain OOPs

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Explain OOPs Principles

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Tell me something about OOPs

What is the difference between Encapsulation and Abstraction?

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Usually asked to entry level software developers.

Q2. Write a program to swap two variables without using third

Core Java

Ans. public static void main(String[] args) {
   int num1 = 1;
   int num2 = 2;
   num1 = num1^num2;
   num2 = num1^num2;
   num1 = num1^num2;
   System.out.print("num1 = " + num1 +", num2 = "+num2);
}

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