Here is the Solved Java Program To Check Whether a Matrix is Sparse Matrix ISC 2021 Computer JAVA.
Checkout:-  Java Program to Find Sum of Each Column of Matrix
Checkout:- Sum of Right Diagonal Elements of a Matrix
 import java.util.*;  
 class Sparse_Matrix  
 {  
 public static void main()  
 {  
   Scanner sc=new Scanner(System.in);  
   int count=0;  
   System.out.println("Enter the number of Rows");  
   int r=sc.nextInt();  
   System.out.println("Enter the number of Columnns");  
   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();  
     }  
   }  
   System.out.println("Input Matrix is:");  
   for(int i=0;i<r;i++)  
    {  
     for(int j=0;j<c;j++)  
     {  
       System.out.print(arr[i][j]+" ");  
     }  
     System.out.println(" ");  
    }  
   int size =r*c;  
   for( int i=0;i<r;i++)  
   {  
     for(int j=0;j<c;j++)  
     {  
       if(arr[i][j]==0)  
       count++;  
     }  
   }  
   if(count > (size/2))  
   System.out.println("Given matrix is a Sparse Matrix");  
   else  
   System.out.println("Given matrix is not a Sparse Matrix");  
  }  
 }  
 ------------  
 OUTPUT:-  
 ------------  
 Enter the number of Rows  
 4  
 Enter the number of Columnns  
 4  
 Enter the elements of Matrix  
 1  
 5  
 98  
 7  
 5  
 3  
 2  
 4  
 8  
 6  
 2  
 1  
 5  
 3  
 9  
 8  
 Input Matrix is:  
 1 5 98 7   
 5 3 2 4   
 8 6 2 1   
 5 3 9 8   
 Given matrix is not a Sparse Matrix  
 -----------------------------------  
Checkout:- Sum of Left Diagonal Elements of Matrix Java
Checkout:- Mirror Image of Matrix ISC 2013 Practical Java
 
 
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