I need the output of this code which is the content of file f2 and the explanation of it

-Java code

8) Write down the contents of file f2 after the code below has been executed by the command "java prog": import java util Scanner; import java lang. Math import java.io. public class HelloWorldl public static void main(String Oargs) File inF new File("f1"); int r, c, m, n try Scanner f E new Scanner (inF); Writer wr new FileWriter("f2"); r f.nextlnt(); c f.nextlnt(); nt 00 new int[r][c]; for (m 0 m