How does this code work? How is the i decided? How is newWord decided? Why does newWord = word.CharAt(i) only replace the specific letter? When does newWord += newLetter; come into play? How does newWord += newLetter get the exact letter replaced? I know the code works, I want to know why
How does this code work? How is the i decided? How is newWord decided? Why does newWord = word.CharAt(i) only replace the specific letter? When does newWord += newLetter; come into play? How does newWord += newLetter get the exact letter replaced? I know the code works, I want to know why
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
How does this code work? How is the i decided? How is newWord decided? Why does newWord = word.CharAt(i) only replace the specific letter? When does newWord += newLetter; come into play? How does newWord += newLetter get the exact letter replaced? I know the code works, I want to know why
![Practice
6 Replace Letter
Letter.java
1- import java.util.Scanner;
2 public class Letter
3- {
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40}
4.3
public static void main(String[] args)
{
}
// Ask the user for 3 things: their word, letter they want to replace,
// and replacing letter.
Scanner sc = new Scanner(System.in);
System.out.println("Enter your word: ");
String word = sc.nextLine();
System.out.println("Enter the letter you want to replace: ");
String letterToReplace = sc.nextLine();
System.out.println("Enter the replacing letter: ");
String newLetter = sc.nextLine();
+
String newWord = "";
for(int i = 0; i < word.length(); i++) {
if(word.charAt(i)==letterToReplace.charAt(0)) {
newWord += newLetter;
}
else {
String replacedWord = replaceLetter (word, letter ToReplace, newLetter);
System.out.println("New replaced word is: "+replacedWord);
// Call the method replaceLetter and pass all 3 of these items to it for
// string processing.
}
// Modify this method so that it will take a third parameter from a user that is t
//to replace letterToReplace with. This method should return the modified String.
public static String replaceLetter (String word, String letterToReplace String new
{
newWord + word.charAt(i);
▸ Resume
}
}
return newWord;
4.4
1.0
4.5 4.6
Submit](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29d9ecf2-8ea2-4c7b-b874-691941710284%2Fd3656226-bfec-41da-b80f-6fbc6bde82e6%2F8tfh5k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Practice
6 Replace Letter
Letter.java
1- import java.util.Scanner;
2 public class Letter
3- {
4
5
7
8
9
0
1
2
3
5
.6
7
18
19
20
21
22
23
24
25
26
27-
28-
29
30
31-
32
33
34
35
36
37
38
39
40}
4.3
public static void main(String[] args)
{
}
// Ask the user for 3 things: their word, letter they want to replace,
// and replacing letter.
Scanner sc = new Scanner(System.in);
System.out.println("Enter your word: ");
String word = sc.nextLine();
System.out.println("Enter the letter you want to replace: ");
String letterToReplace = sc.nextLine();
System.out.println("Enter the replacing letter: ");
String newLetter = sc.nextLine();
+
String newWord = "";
for(int i = 0; i < word.length(); i++) {
if(word.charAt(i)==letterToReplace.charAt(0)) {
newWord += newLetter;
}
else {
String replacedWord = replaceLetter (word, letter ToReplace, newLetter);
System.out.println("New replaced word is: "+replacedWord);
// Call the method replaceLetter and pass all 3 of these items to it for
// string processing.
}
// Modify this method so that it will take a third parameter from a user that is t
//to replace letterToReplace with. This method should return the modified String.
public static String replaceLetter (String word, String letterToReplace String new
{
newWord + word.charAt(i);
▸ Resume
}
}
return newWord;
4.4
1.0
4.5 4.6
Submit
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