BlueJ Program on 2 D Symmetric Array And Diagonal Values

For Details of The Program: CLICK HERE

import java.io.*;

class Str2

{

int left=0,right=0,m,i,j, arr[][];

boolean bool=false;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

public void takeValues() throws Exception

{

System.out.println("Enter the value of 'm';");

m=Integer.parseInt(br.readLine());

if(m >=10)

{

System.out.println("Matrix size is out of range");

return;

}

arr=new int[m][m];

for(i=0;i < m; i++)

{

for(j=0;j < n;j++)

{

System.out.println("value:");

arr[i][j]=Integer.parseInt(br.readLine());

}

}

System.out.println("Original Matrix\n");

for(i=0;i < m : i++)

{

for(j=0;j < n : j++)

{

System.out.print(" "+arr[i][j]);

}

System.out.println();

}

for(i=0;i < m ; i++)

{

for(j=0;j < n; j++)

{

if(arr[i][j]!=arr[j][i])

{

bool=true;

break;

}

}

if(bool==true)

break;

}

if(bool)

System.out.println("The given matrix is not Symmetric"); 

else

System.out.println("The given matrix is Symmetric"); 

for(i=0;i < m ; i++)

{

for(j=0;j < n; j++)

{ 

if(i==j)

left=left+arr[i][j];

if(i+j==m-1)

right=right+arr[i][j];

}

}

System.out.println("Sum of the left diagonal="+left); System.out.println("Sum of the right diagonal="+right); }

public static void main(String args[])throws Exception

{

Str2 ob=new Str2();

ob.takeValues();

}

}

2014 Computer Practical Paper: CLICK HERE