1. Write java program to differentiate between immutable string and mutable string.2. Write a Java program to illustrate Dynamic Method Dispatch using hierarchicalinheritance.3. Write a program to create a class named shape.a) In this class we have three sub classes circle, triangle and square each classhas three methods named draw (), erase (), and printinfo().b) Use the polymorphism concepts.4. Write A Java Program To Demonstrate Autoboxing And Unboxing Of int And Short.5. Create a HashMap, given the key and value data type is String?• Add your group data to HashMap (Mobile no ,StudentID)

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1. Write java program to differentiate between immutable string and mutable string.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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