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GeezerVison is showing github.com — Java_Learning/19_2D_Array/TwoDArray.java at main · TORRYNN/Java_Learning Expand file tree/ Copy pathTwoDArray.javaMore file actions 50 lines (41 loc) · 1.36 KB / Copy pathTwoDArray.javaFile metadata and controls50 lines (41 loc) · 1.36 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 import java.util.Random; public class TwoDArray { public static void main(String[] args) { // Creation of 2D Array int matrix[][] = new int[3][3]; // To calculate the number of rows= int row = matrix.length; // To calculate the number of Column int column = matrix[0].length; Random random = new Random(); // Inserting Values into the 2D array. for (int i = 0; i < row; i++) { for (int j = 0; j < column; j++) { // The range of random number is from 0-10 where 10 is exclusive matrix[i][j] = random.nextInt(10); } } // Printing the 2D Array for (int i = 0; i < row; i++) { for (int j = 0; j < column; j++) { System.out.print(matrix[i][j] + " "); } System.out.println(); } // Searching in 2D array; int key = 5; boolean found=false; for (int i = 0; i < row; i++) { for (int j = 0; j < column; j++) { if(matrix[i][j]==key) { System.out.println("key="+key); System.out.println("Found at cell"+"["+i + ","+j+"]"); found=true; } } } if(!found){ System.out.println(-1); } } } |
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