Create a class called ParsingUtils. Add a static method:public static void changeLetter(StringBuilder sb, char letter)Convert all occurrences of the letter variable in the StringBuilder to upper case import java.util.Scanner;public class CaseDemo { public static void main(String[] args) { Scanner keyboard = new Scanner(System.in); System.out.println("Enter a String"); StringBuilder sb = new StringBuilder(keyboard.nextLine()); System.out.println("Which character should be converted to uppercase?"); char c = keyboard.nextLine().charAt(0); ParsingUtils.changeLetter(sb, c); System.out.println(sb); }} Test Case 1Enter a String|\naaa ENTERWhich character should be converted to uppercase? \na ENTERAAA \nTest Case 2Enter a String|\naAaAaAaAaAaAbBb Bb Bb Bb BbBbcCCCCCCCCCCCCC ENTERWhich character should be converted to uppercase? \nb ENTERaAaAaAaAaAaABBBBBBBBBBBBBCCCCCCCCCCCCCC \nTest Case 3Enter a String|\naAaAaAaAaAaAbBbBbBbBbBbBbccccccCCCCCCCC ENTER aAaAaAaAaAaAbBbBbBbBbBbBbcCcccc C C cc CCCC ENTERWhich character should be converted to uppercase? \na ENTERAAAAAAAAAAAAbBb Bb Bb Bb Bb BbcCc C C C C C C C C C C C \nTest Case 4Enter a String|\naAaAaAaAaAaAbBbBbBbBbBbBbccccccCCCCCCCC ENTERWhich character should be converted to uppercase? \nCENTERaAaAaAaAaAaAbBbBbBbBbBbBbCCCCCCcccccccc \nTest Case 5Enter a String|\naAaAaAaAaAaAbBbBbBbBbBbBbcccccccccc CCCCuuuuuuu ENTERWhich character should be converted to uppercase? \nU ENTERaÃaÃaÃaÃaÃaÃbBbBbBbBbBbBbcccccccccccCcCUUUUUUU\n

Step 1: Import the necessary classes for input and output operations. Step 2: Create a class named…

Answered: Create a class called ParsingUtils. Add…

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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Question

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Create a class called ParsingUtils. Add a static method:

public static void changeLetter(StringBuilder sb, char letter)

Convert all occurrences of the letter variable in the StringBuilder to upper case

import java.util.Scanner;

public class CaseDemo {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
System.out.println("Enter a String");
StringBuilder sb = new StringBuilder(keyboard.nextLine());
System.out.println("Which character should be converted to uppercase?");
char c = keyboard.nextLine().charAt(0);

ParsingUtils.changeLetter(sb, c);

System.out.println(sb);
}
}

Test Case 1
Enter a String|\n
aaa ENTER
Which character should be converted to uppercase? \n
a ENTER
AAA \n
Test Case 2
Enter a String|\n
aAaAaAaAaAaAbBb Bb Bb Bb BbBbcCCCCCCCCCCCCC ENTER
Which character should be converted to uppercase? \n
b ENTER
aAaAaAaAaAaABBBBBBBBBBBBBCCCCCCCCCCCCCC \n
Test Case 3
Enter a String|\n
aAaAaAaAaAaAbBbBbBbBbBbBbccccccCCCCCCCC ENTER

aAaAaAaAaAaAbBbBbBbBbBbBbc
Ccccc C C cc CCCC ENTER
Which character should be converted to uppercase? \n
a ENTER
AAAAAAAAAAAAbBb Bb Bb Bb Bb BbcCc C C C C C C C C C C C \n
Test Case 4
Enter a String|\n
aAaAaAaAaAaAbBbBbBbBbBbBbccccccCCCCCCCC ENTER
Which character should be converted to uppercase? \n
CENTER
aAaAaAaAaAaAbBbBbBbBbBbBbCCCCCCcccccccc \n
Test Case 5
Enter a String|\n
aAaAaAaAaAaAbBbBbBbBbBbBbcccccccccc CCCCuuuuuuu ENTER
Which character should be converted to uppercase? \n
U ENTER
aÃaÃaÃaÃaÃaÃbBbBbBbBbBbBbcccccccccccCcCUUUUUUU\n

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