Write a console program that repeatedly prompts the user to enter data until the
ID: 3860538 • Letter: W
Question
Write a console program that repeatedly prompts the user to enter data until they type done
(any case, Upper, Lower, or Mixed). As they enter the data, assign it to a two-dimension array
where the first dimension contains exactly what they type and the second dimension contains
the first non-whitespace character of what they type, in lowercase. If they enter a blank line, it
is acceptable to skip that line. When they type done, do these steps:
1. display: As Entered
2. for each entry in the array, display the index of the first dimension, the second
dimension's value, and the first dimension's value on a single line separated by :
(colon).
3. display: Bubble Sorted
4. using a bubble sort, for each entry in the array, display the original index of the first
dimension, the second dimension's value, and the first dimension's value on a single
line separated by : (colon) sorted by the second dimension.
5. display: Selection Sorted
6. using a selection sort, for each entry in the array, display the original index of the first
dimension, the second dimension's value, and the first dimension's value on a single
line separated by : (colon) sorted by the first dimension.
Explanation / Answer
import java.util.Scanner;
public class ConsoleReader {
public static void main(String args[]) {
// Create a Scanner to read from System Input like Keyboard.
Scanner input = new Scanner(System.in);
String data = "";
// Create an infinite loop by placing the while loop condition as 'true'
// so that it will always be true.
while (true) {
System.out.println("Enter your data: ");
// Read from the input device via Scanner
data = input.next();
// Ignoring the case, if the data entered is 'done' then break and
// exit the loop.
if (data.equalsIgnoreCase("done")){
System.out.println("Done, BYE!");
break;
}
System.out.println("You have entered: " + data);
}
}
}
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