Write an expression to detect that the first character of userinput matches firstletter. We will present you the answer to this issue in the most detailed way. Java, C++ and 3.13.1 answers are also in our news.
Write An Expression To Detect That The First Character Of Userinput Matches Firstletter.
Write an expression to detect that the first character of userinput matches firstLetter. 1 import java.util.Scanner; 3 public class CharMatching 4 public static void main (String [] args) { Scanner scnr new Scanner(System.in); String userInput; char firstLetter; userInput = scnr.nextLine(); firstLetter scnr.nextLine().charAt (0); 12 13 14 15 if (/* Your solution goes here * System.out.printin( “Found match: “firstLetter); else t System.out.println(“No match: ” firstLetter); 17 18 19 20 21 return.
Java Write An Expression To Detect That The First Character Of Userinput Matches Firstletter.
The given source code is an illustration of characters and strings in Java program.
To complete the code segment, the comment /* Your solution goes here */ in the program, should be replaced with any of the following expressions:
- Character.toUpperCase(firstLetter)==Character.toUpperCase(userInput.charAt(0))
- Character.toLowerCase(firstLetter)==Character.toLowerCase(userInput.charAt(0))
Using the first instruction above
- Variable firstLetter will first be converted to upper case
- The first character of userInput will then be extracted using charAt(0)
- The first character is then converted to upper case
- Lastly, both characters are compared
So, the complete code (where comments are used to explain each line) is as follows:
- //This imports the Scanner library
- import java.util.Scanner;
- //This defines the program class
- public class Main {
- //This defines the program method
- public static void main (String [] args) {
- //This creates a Scanner object
- Scanner scnr = new Scanner(System.in);
- //This declares variables userInput and firstLetter
- String userInput; char firstLetter;
- //This gets input for userInput
- userInput = scnr.nextLine();
- //This gets input for firstLetter
- firstLetter = scnr.nextLine().charAt(0);
- //This checks if the first letter of userInput matches with variable firstLetter
- if (Character.toUpperCase(firstLetter)==Character.toUpperCase(userInput.charAt(0))){
- //If yes, found match is printed
- System.out.println( “Found match: “+firstLetter); }
- else{
- //If otherwise, no match is printed
- System.out.println(“No match: “+ firstLetter);
- }
- }
- }//Program ends here.
C++ Write An Expression To Detect That The First Character Of Userinput Matches Firstletter.
- Write an expression to detect that the first character of userInput matches firstLetter.
- #include <iostream>
- #include <string>
- using namespace std;
- int main() {
- string userInput;
- char firstLetter;
- getline(cin, userInput);
- cin >> firstLetter;
- if (/* Your solution goes here */) {
- cout << “Found match: ” << firstLetter << endl;
- }
- else {
- cout << “No match: ” << firstLetter << endl;
- }
- return 0;
- }
Expert’s answer
firstLetter == userInput[0]
3.13.1 write an expression to detect that the first character of userinput matches firstletter.
3.13.1 write an expression to detect that the first character of userinput matches firstletter. Do you have any other questions about this subject? Then we look forward to the comments.
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