public Class Test { public static void main(String[] args){ // 1 * 1 = 1 // 1 * 2 = 2 2 * 2 = 4 // 1 * 3 = 3 2 * 3 = 6 3 * 3 = 9 for(int i = 1; i <= 9; i++){ for(int j = 1; j <= i; j++){ System.out.print(i + "*" + j + "=" + (i*j) + " "); } System.out.println(); //print不換行 println換行 } } }