JAVA. construct another thread (process) to interact with user via a simple GUI. The interaction include: 1. get user input, the name of the matrix file. 2. Output the computation result with adequate formatting. 3. Print the error messages. 4. End the program upon user request, such as push the END button.

import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner class App implements Runnable private static void readMatrix(final Scanner scanner, final int0] matrix) for (int i-0: i matrix.length:+Hi) for (int j = 0; j