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Java Program to Check if it is a Sparse Matrix

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Java Program to determine whether a given matrix is a sparse matrix

In this example, we will create a java program to check whether the given matrix is a sparse matrix.

Any given matrix is said to be a sparse matrix if most of the elements of that matrix are 0. It means that it contains very less non-zero elements.

Program:


public class Main
{    
public static void main(String[] args) 
{    
int rows, cols, size, count = 0;    
int a[][] = 
{       
{2, 0, 0},    
{0, 3, 0},    
{1, 0, 6}    
};    
rows = a.length;    
cols = a[0].length;    
size = rows * cols;    
for(int i = 0; i < rows; i++)
{    
for(int j = 0; j < cols; j++)
{    
if(a[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
Given matrix is a sparse matrix

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