Find A Secret Square

Find A Secret Square

Modify the current program so the user moves the symbol: up, down, left or right, searching for a random winning box. The user gets only 5 moves to find the box

Enter number of rows: 6 (input by user)

Enter number of columns: 7 (input by user)

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Enter your playing piece : * (input by user)

Enter starting row: 3 (input by user)

Enter starting column: 3 

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(U)p, (D)own, (L)eft, (R)ight,or (Q)uit : U (input by user)

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(U)p, (D)own, (L)eft, (R)ight,or (Q)uit : R (input by user)

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Congratulations you won!!

If after 5 moves (use a counter), break the loop and display: "Sorry you lost!!"

import acm.program.*;
import acm.util.*;
import java.util.*;

public class matrixSquare extends ConsoleProgram{
  public void run(){
    int numRows, numCols,currentR,currentC;
    String piece= " ",ch=" ";
    print("Enter number rows: ");
    numRows=readInt();
    print("Enter number of columns: ");
    numCols=readInt();

    String mat[][]=new String[numRows][numCols];
    for (int i=0;i<mat.length;i++){
      Arrays.fill(mat[i], (" "));
    }

    for (int r=0;r<mat.length;r++){
      for (int c=0;c<mat[r].length;c++){
        print("[" + mat[r][c] + "]");
      }
      println();
    }

    piece = readLine("Enter your playing piece: ");
    currentR = readInt("Enter starting row: ");
    currentC = readInt("Enter starting column: ");

    do{
      for (int i=0;i<mat.length;i++){
        Arrays.fill(mat[i], (" "));
      }

      mat[currentC][currentR] = piece;

      for (int r=0;r<mat.length;r++){
        for (int c=0;c<mat[r].length;c++){
          print("[" + mat[r][c] + "]");
        }
        println();
      }

      ch = readLine("(U)p, (D)own, (L)eft, (R)ight, or (Q)uit: ");
      if (ch.toLowerCase().equals("q")){
        println("Thanks for playing part 1. To be continued...");
        break;
      }
      else if (ch.toLowerCase().equals("u")){
        currentC--;
      }
      else if (ch.toLowerCase().equals("d")){
        currentC++;
      }
      else if (ch.toLowerCase().equals("l")){
        currentR--;
      }
      else if (ch.toLowerCase().equals("r")){
        currentR++;
      }
      else{
        println("Unknown Command");
      }

    }while(true);        
  }
}