[알고리즘 초급] 구구단

 

public class Test {

    static void multiple() {
        for (int i = 0; i < 10; i++) {
            if(i == 0) {
                System.out.print("   |");
            }else {
                System.out.printf("%3d|", i);
            }
            for (int j = 1; j < 10; j++) {
                if(i == 0) {
                    System.out.printf("%3d", j);
                }else {
                    System.out.printf("%3d", i*j);
                }
            }
            if(i == 0) {
                System.out.println();
                System.out.println("---|---------------------------");
            }else {
                System.out.println();
            }
        }
    }

    public static void main(String[] args) {
        multiple();
    }
}