exercise4_11.java

Introduction to java programming 一书中所有编程练习部分的源码

public class Exercise4_11 {
  public static void main(String[] args) {
    printMatrix(3);
  }
  
  public static void printMatrix(int n) {
      for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++)
          System.out.print((int)(Math.random() * 2));
        
        System.out.println();
      }
  }
}