zyBooks Lab Submission 5.6.1: Warm up: Parsing strings (Java) (1) Prompt the use
ID: 3585236 • Letter: Z
Question
zyBooks Lab Submission 5.6.1: Warm up: Parsing strings (Java)
(1) Prompt the user for a string that contains two strings separated by a comma. (1 pt)
Examples of strings that can be accepted:
Jill, Allen
Jill , Allen
Jill,Allen
Ex:
(2) Report an error if the input string does not contain a comma. Continue to prompt until a valid string is entered. Note: If the input contains a comma, then assume that the input also contains two strings. (2 pts)
Ex:
(3) Extract the two words from the input string and remove any spaces. Store the strings in two separate variables and output the strings. (2 pts)
Ex:
(4) Using a loop, extend the program to handle multiple lines of input. Continue until the user enters q to quit. (2 pts)
Ex:
Explanation / Answer
ParseStrings.java
import java.util.Scanner;
public class ParseStrings {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
while(true){
System.out.print("Enter input string: ");
String s = scan.nextLine();
if(s.equalsIgnoreCase("q")){
break;
}
else if(!s.contains(",")){
System.out.println("Error: No comma in string");
}
else{
String firstWord = s.split(",")[0].trim();
String secondWord = s.split(",")[1].trim();
System.out.println("First word: "+firstWord);
System.out.println("Second word: "+secondWord);
}
}
return;
}
}
Output:
Enter input string: Jill, Allen
First word: Jill
Second word: Allen
Enter input string: Golden , Monkey
First word: Golden
Second word: Monkey
Enter input string: Jill Allen
Error: No comma in string
Enter input string: 1
Error: No comma in string
Enter input string: q
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