Sum of Left Diagonal Elements of Matrix Java

Here is  the Java Program To Find Sum of Left Diagonal Elements of Matrix

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 import java.util.*;  
 public class Sum_of_Left_Diagonal  
 {  
   public static void main()  
   {  
     int s=0;  
     Scanner sc=new Scanner(System.in);  
     System.out.println("Enter the number of Rows");  
     int r=sc.nextInt();  
     System.out.println("Enter the number of Columns");  
     int c=sc.nextInt();  
     int arr[][]=new int[r][c];  
     System.out.println("Enter the elements of Matrix");  
     for(int i=0;i<r;i++)  
     {  
       for(int j=0;j<c;j++)  
       {  
         arr[i][j]=sc.nextInt();  
       }  
     }  
     for(int i=0;i<r;i++)  
     {  
       for(int j=0;j<c;j++)  
       {  
         System.out.print(arr[i][j]+" ");   
       }  
       System.out.println("");  
     }  
     for(int i=0;i<r;i++)  
     {  
       for(int j=0;j<c;j++)  
       {  
        if(i==j)  
         s=s+arr[i][j];  
       }  
     }  
       System.out.println("Sum of Left Diagonal Elements="+s);  
     }  
   }  
 ------------  
 OUTPUT:-   
 ------------  
 Enter the number of Rows  
 3  
 Enter the number of Columns  
 3  
 Enter the elements of Matrix  
 1  
 2  
 3  
 6  
 5  
 4  
 7  
 5  
 6  
 1 2 3   
 6 5 4   
 7 5 6  
 Sum of Left Diagonal Elements = 12  
 ----------------------------------  

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