a) What is the difference between StringBuilder and String? b) Which of the following classes are Immutable: Integer, Short, Byte, String, Boolean, Flo Character, BigInteger, StringBuilder, StringBuffer? c) Can you sort an array of Strings, Dates and Integers using the same method? If so, provide example. d) Create a new Java file in Eclipse. Perform the following operations: 1. Create a new StringBuilder from the String "Prepare for your Midterm Exam". 2. Check the capacity of the StringBuilder if it's empty. 3. Find the index of the letter 'y'. 4. Delete a substring from the starting index till this index (of 'y'). 5. Insert a string "Good luck on " at the beginning of the StringBuilder. 6. Append '!' to it. 7. Print your StringBuilder to Console. 8. Attach the screenshot of code and output to the PDF file.

a) What is the difference between StringBuilder and String? b) Which of the following classes are Immutable: Integer, Short, Byte, String, Boolean, Flo Character, BigInteger, StringBuilder, StringBuffer? c) Can you sort an array of Strings, Dates and Integers using the same method? If so, provide example. d) Create a new Java file in Eclipse. Perform the following operations: 1. Create a new StringBuilder from the String "Prepare for your Midterm Exam". 2. Check the capacity of the StringBuilder if it's empty. 3. Find the index of the letter 'y'. 4. Delete a substring from the starting index till this index (of 'y'). 5. Insert a string "Good luck on " at the beginning of the StringBuilder. 6. Append '!' to it. 7. Print your StringBuilder to Console. 8. Attach the screenshot of code and output to the PDF file.

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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