import java.util.Random;
/**
* This program creates an 8x8 integer board.
* For each row:
* - All values are set to zero
* - One random column is chosen
* - A random value (1..100) is placed in that column
*
* It mirrors the structure of the C++ version:
* initializeBoard()
* printBoard()
* main()
*/
public class RandomBoard {
private static final int SIZE = 8;
/**
* initializeBoard:
* - Sets all values to zero
* - For each row:
* * randomly selects one column (0..7)
* * places a random integer (1..100) in that column
*/
public static void initializeBoard(int[][] board) {
Random rng = new Random(); // Java's standard random generator
for (int row = 0; row < SIZE; row++) {
// Set entire row to zero
for (int col = 0; col < SIZE; col++) {
board[row][col] = 0;
}
// Choose a random column index
int col = rng.nextInt(SIZE);
// Place a random value between 1 and 100 (never zero)
board[row][col] = rng.nextInt(100) + 1;
}
}
/**
* printBoard:
* - Prints the 8x8 board in a readable grid format
*/
public static void printBoard(int[][] board) {
for (int row = 0; row < SIZE; row++) {
for (int col = 0; col < SIZE; col++) {
System.out.printf("%3d ", board[row][col]);
}
System.out.println();
}
}
public static void main(String[] args) {
int[][] board = new int[SIZE][SIZE]; // Zero-initialized by Java
initializeBoard(board);
printBoard(board);
}
}
/*
run:
0 0 29 0 0 0 0 0
0 90 0 0 0 0 0 0
12 0 0 0 0 0 0 0
0 13 0 0 0 0 0 0
0 0 0 0 0 0 0 79
0 0 0 0 0 0 17 0
0 0 0 16 0 0 0 0
0 0 0 8 0 0 0 0
*/
