Create SecondLab.java

src/_12_Закревський_Данило_Сергійович/lab2/SecondLab.java

@@ -0,0 +1,63 @@
+import java.util.Scanner;
+import java.util.Random;
+
+public class SecondLab {
+
+    public static void main(String[] args) {
+        Scanner scn = new Scanner(System.in);
+        Random rnd = new Random();
+        System.out.print("Enter number of rows in matrix A: ");
+        int mA = scn.nextInt(); 
+        System.out.print("Enter the number of columns in matrix A: ");
+        int nA = scn.nextInt(); 
+        System.out.print("Enter number of rows in matrix B: ");
+        int mB = scn.nextInt(); 
+        System.out.print("Enter the number of columns in matrix B: ");
+        int nB = scn.nextInt(); 
+        long largest, sum = 0L; 
+        if(mA != mB || nA != nB) {
+            System.out.println("Unable to add matrices!"); 
+        } else {
+            long[][] matrixA = new long[mA][nA];
+            long[][] matrixB = new long[mB][nB]; 
+            long[][] matrixC = new long[mA][nA];
+
+            System.out.println("Matrix A: ");
+            for(int i = 0; i < mA; i++) {
+                for(int j = 0; j < nA; j++) {
+                    matrixA[i][j] = rnd.nextLong(10, 50) + 10;
+                    System.out.printf("|%d", matrixA[i][j]);      
+                }
+                System.out.println("|");
+            }
+            System.out.println("Matrix B: ");
+            for(int i = 0; i < nA; i++) {
+                for(int j = 0; j < nB; j++) {
+                    matrixB[i][j] = rnd.nextLong(10, 50) + 10;
+                    System.out.printf("|%d", matrixB[i][j]); 
+                }
+                System.out.println("|");
+            }
+            System.out.println("Matrix C: ");
+            for(int i = 0; i < mA; i++) {
+                for(int j = 0; j < nA; j++) {
+                    matrixC[i][j] = matrixA[i][j] + matrixB[i][j];
+                    System.out.printf("|%d", matrixC[i][j]);    
+                }
+                System.out.println("|");
+            }
+            for(long[] row: matrixC) {
+                largest = row[0];
+                for(long elem : row) {
+                    if(elem > largest) {
+                        largest = elem;    
+                    }
+                }
+                sum += largest;        
+            }
+            System.out.printf("Sum = %d", sum); 
+        }
+        scn.close();
+    }
+    
+}