Homework Soursei need help with this progam SquareTestjava Uses the Sq
i need help with this progam
// ***************************************************************
// SquareTest.java
//
// Uses the Square class to read in square data and tell if
// each square is magic.
//
// ***************************************************************
import java.util.Scanner;
public class SquareTest
{
public static void main(String[] args) throws IOException
{
Scanner scan = new Scanner(new File(\"magicData\"));
int count = 1; //count which square we\'re on
int size = scan.nextInt(); //size of next square
//Expecting -1 at bottom of input file
while (size != -1)
{
//create a new Square of the given size
//call its read method to read the values of the square
System.out.println(\"\ ******** Square \" + count + \" ********\");
//print the square
//print the sums of its rows
//print the sums of its columns
//print the sum of the main diagonal
//print the sum of the other diagonal
//determine and print whether it is a magic square
//get size of next square
size = scan.nextInt();
}
}
}
// ***************************************************************
// Square.java
//
// Define a Square class with methods to create and read in
// info for a square matrix and to compute the sum of a row,
// a col, either diagonal, and whether it is magic.
//
// ***************************************************************
import java.util.Scanner;
public class Square
{
int[][] square;
//--------------------------------------
//create new square of given size
//--------------------------------------
public Square(int size)
{
}
//--------------------------------------
//return the sum of the values in the given row
//--------------------------------------
public int sumRow(int row)
{
}
//--------------------------------------
//return the sum of the values in the given column
//--------------------------------------
public int sumCol(int col)
{
}
//--------------------------------------
//return the sum of the values in the main diagonal
//--------------------------------------
public int sumMainDiag()
{
}
//--------------------------------------
//return the sum of the values in the other (\"reverse\") diagonal
//--------------------------------------
public int sumOtherDiag()
{
}
//--------------------------------------
//return true if the square is magic (all rows, cols, and diags have
//same sum), false otherwise
//--------------------------------------
public boolean magic()
{
}
//--------------------------------------
//read info into the square from the input stream associated with the
//Scanner parameter
//--------------------------------------
public void readSquare(Scanner scan)
{
for (int row = 0; row < square.length; row++)
for (int col = 0; col < square.length; col ++)
square[row][col] = scan.nextInt();
}
//----------------------------------------
//print the contents of the square, neatly formatted
//----------------------------------------
public void printSquare()
{
}
}
MAGIC.dat
3
8 1 6
3 5 7
4 9 2
7
30 39 48 1 10 19 28
38 47 7 9 18 27 29
46 6 8 17 26 35 37
5 14 16 25 34 36 45
13 15 24 33 42 44 4
21 23 32 41 43 3 12
22 31 40 49 2 11 20
4
48 9 6 39
27 18 21 36
15 30 33 24
12 45 42 3
3
6 2 7
1 5 3
2 9 4
4
3 16 2 13
6 9 7 12
10 5 11 8
15 4 14 1
5
17 24 15 8 1
23 5 16 14 7
4 6 22 13 20
10 12 3 21 19
11 18 9 2 25
7
30 39 48 1 10 28 19
38 47 7 9 18 29 27
46 6 8 17 26 37 35
5 14 16 25 34 45 36
13 15 24 33 42 4 44
21 23 32 41 43 12 3
22 31 40 49 2 20 11
-1
Solution
SqureTest.java:
package com.java.college;
import java.util.Scanner;
import java.io.*;
public class SqureTest {
public static void main(String[] args) throws IOException
{
Scanner scan = new Scanner(new File(\"magicData.txt\"));
int count = 1;
int size = scan.nextInt();
while (size != -1)
{
Square s=new Square(size);
s.readSquare(scan);
System.out.println(\"\ ******** Square \" + count + \" ********\");
s.printSquare();
System.out.println(\"Row Sums\ Row\\tSum\");
for(int i=0;i<size;i++)
System.out.println((i+1)+\"\\t\"+s.sumRow(i));
System.out.println();
System.out.println(\"Column Sums\ Col\\tSum\");
for(int i=0;i<size;i++)
System.out.println((i+1)+\"\\t\"+s.sumCol(i));
System.out.println();
System.out.println(\"Diagonol Sums\ Diagnol\\tSum\");
System.out.println(\"Main\\t\"+s.sumMainDiag());
System.out.println(\"Other\\t\"+s.sumOtherDiag());
if(s.magic())
System.out.println(\"Square is magic\");
else
System.out.println(\"Square is not magic\");
size = scan.nextInt();
count++;
}
}
}
Squre.java:
package com.java.college;
import java.util.Scanner;
public class Square {
int[][] square;
public Square(int size)
{ square= new int[size][size];
}
public int sumRow(int row)
{int sum=0,i;
for(i=0;i<square.length;i++)
sum+=square[row][i];
return sum;
}
public int sumCol(int col)
{int sum=0,i;
for(i=0;i<square.length;i++)
sum+=square[i][col];
return sum;
}
public int sumMainDiag()
{int sum=0,i;
for(i=0;i<square.length;i++)
sum+=square[i][i];
return sum;
}
public int sumOtherDiag()
{int sum=0,i;
for(i=0;i<square.length;i++)
sum+=square[i][square.length-1-i];
return sum;
}
public boolean magic()
{int i,total;
total=this.sumOtherDiag();
if(this.sumMainDiag()!=total)
return false;
int []rows=new int[square.length];
int []cols=new int[square.length];
for(i=0;i<square.length;i++)
{rows[i]=this.sumRow(i);
cols[i]=this.sumCol(i);
}
for(i=0;i<square.length;i++)
if(rows[i]!=total||cols[i]!=total)
return false;
return true;
}
public void readSquare(Scanner scan)
{
for (int row = 0; row < square.length; row++)
for (int col = 0; col < square.length; col ++)
square[row][col] = scan.nextInt();
}
public void printSquare()
{for (int row = 0; row < square.length; row++)
{for (int col = 0; col < square.length; col ++)
System.out.print(square[row][col]+\"\\t\") ;
System.out.println();
}
}
}
