Create SetMatrixZeros

TheAlgorithms#4875
Explanation Of Algorithm: https://stackoverflow.com/questions/20577117/algorithm-to-modify-a-matrix-and-set-columns-and-rows-to-zero

Author: SankarshanMishra

Diff for: SetMatrixZeros

@@ -0,0 +1,63 @@
+import java.util.HashSet;  
+import java.util.Set;  
+public class SetMatrixElementsToZero  
+{  
+//function to set matrix elements to zero      
+public static void setZero(int[][] array)   
+{  
+Set<Integer> rowsToZero = new HashSet<>();  
+Set<Integer> columnsToZero = new HashSet<>();  
+//loop iterate over rows  
+for (int i = 0; i < array.length; i++)   
+{  
+//loop iterate over columns      
+for (int j = 0; j < array.length; j++)   
+{  
+//compares an element is zero or not      
+if (array[i][j] == 0)   
+{  
+//if the condition returns true add that element to set      
+rowsToZero.add(i);  
+columnsToZero.add(j);  
+}  
+}  
+}  
+//loop sets the corresponding row to zero  
+for (int i : rowsToZero)   
+{  
+for (int j = 0; j < array.length; j++)   
+{  
+array[i][j] = 0;  
+}  
+}  
+//loop sets the corresponding columns to zero  
+for (int i : columnsToZero)   
+{  
+for (int j = 0; j < array.length; j++)   
+{  
+array[j][i] = 0;  
+}  
+}  
+//loop for printing rows  
+for (int i = 0; i < array.length; i++)    
+{  
+//loop for printing columns      
+for (int j = 0; j < array.length; j++)   
+{  
+//prints matrix elements      
+System.out.print(array[i][j]+"\t");  
+if(j == array.length-1)  
+//throws cursor to the next line  
+System.out.println();  
+}  
+}  
+}  
+//driver code  
+public static void main(String args[])   
+{  
+//an array whose rows and column set to be zero      
+int[][] arr = { { 1, 0, 1, 1, 0 }, { 0, 1, 1, 1, 0 }, { 1, 1, 1, 1, 1 }, { 1, 0, 1, 1, 1 }, { 1, 1, 1, 1, 1 } };  
+//function calling  
+setZero(arr);  
+}  
+}