打印三角形:
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
public class Mycode01 {
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 4 - i; j++) {
System.out.print(" ");
}
for (int j = 0; j < i + 1; j++) {
System.out.print("* ");
}
System.out.println();
}
for (int i = 0; i < 4; i++) {
for (int j = 0; j < i + 1; j++) {
System.out.print(" ");
}
for (int j = 0; j < 4 - i; j++) {
System.out.print("* ");
}
System.out.println();
}
}
}