外层循环控制行数,内层循环控制列数
public class JavaTest { public static void main(String[] args) { for (int i = 1;i < 10;i++){ for (int j = 1;j < i + 1;j++){ System.out.print(i + "*" + j + "=" + (i * j) + " "); } System.out.println(); } } }
外层循环控制行数,内层循环控制列数
public class JavaTest { public static void main(String[] args) { for (int i = 1;i < 10;i++){ for (int j = 1;j < i + 1;j++){ System.out.print(i + "*" + j + "=" + (i * j) + " "); } System.out.println(); } } }