Merge pull request #409 from krishvsoni/kvs-patch1

added attendance_percent.java

Author: kishanrajput23

attendance_percent.java

@@ -0,0 +1,24 @@
+import java.util.*;
+
+public class AttendancePercentage {
+
+    public static void main(String[] args) {
+
+        // Create an array to store the attendance data
+        int[] attendanceData = {1,1,1,0,1,1,1,1,1,1,0,0,1,1,1,0,1,1,1,0,1};
+
+        // Calculate the total number of classes attended
+        int totalClassesAttended = 0;
+        for (int attendance : attendanceData) {
+            if (attendance == 1) {
+                totalClassesAttended++;
+            }
+        }
+
+        // Calculate the attendance percentage
+        double attendancePercentage = (double) totalClassesAttended / attendanceData.length * 100;
+
+        // Display the attendance percentage
+        System.out.println("The attendance percentage is " + attendancePercentage + "%");
+    }
+}

matrix_multiplication.java

@@ -0,0 +1,34 @@
+public class MatrixMultiplication {
+    public static void main(String[] args) {
+        int[][] A = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        int[][] B = {{9, 8, 7}, {6, 5, 4}, {3, 2, 1}};
+        int[][] RES = new int[3][3];
+
+        // Perform matrix multiplication
+        for (int i = 0; i < 3; i++) {
+            for (int j = 0; j < 3; j++) {
+                for (int k = 0; k < 3; k++) {
+                    RES[i][j] += A[i][k] * B[k][j];
+                }
+            }
+        }
+
+        // Print the arrays
+        System.out.println("Matrix A:");
+        printMatrix(A);
+        System.out.println("Matrix B:");
+        printMatrix(B);
+        System.out.println("Result Matrix (A * B):");
+        printMatrix(RES);
+    }
+
+    // Helper method to print a matrix
+    public static void printMatrix(int[][] matrix) {
+        for (int i = 0; i < matrix.length; i++) {
+            for (int j = 0; j < matrix[i].length; j++) {
+                System.out.print(matrix[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+}