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 JAVA PRACTICE QUESTIONS

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Java Practice Question on Core to Advanced Java. Try to find the solutions for the questions given below. If you need answers, please comment below.


Classes, Objects & Methods


1. What is Constructor Overloading and Method Overloading. Write a java program using them.


2. Write a java program that implements Inner class and show its Access protection.


3.  Accept two command line arguments and calculate sum of those using Java Program.


Arrays & Strings


4. Java Program to Add Two Matrix Using Multi-Dimensional Integers Array. 

5. A program for String handling, Accept a String value as a command line argument and convert it into uppercase

6. Write a Program in Java to concatenate two Strings values without using Library Functions.


7. Write a Java program to implement a parent class Shape and its subclasses Square, Rectangle, and Triangle. Calculate the area of each shape using abstract classes and methods.

Java Collections Framework

8. Write a Java program to create an Arraylist object with a list of strings, and using Iterator, display it on the console.


Using Lambda Expressions

9. A Java program to implement Lambda Expression with a single Integer parameter.  

10. A Java program to implement Lambda Expression with a two String parameters.

11. An interface that has a functional interface using Lambda Expressions.

  

Solution


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