public class IsoscelesTriangle {
/**
* 等腰三角形
*/
public void print1(){//形如 ▲向上的
for(int i=1;i<=5;i++){
for(int k=1;k<=5-i;k++)
System.out.print(" ");
for(int j=1;j<=2*i-1;j++)
System.out.print("*");
System.out.print("\n");
}
}
public void print2(){//形如:倒▲ 向下的
for(int i=1;i<=5;i++){
for(int j=1;j<=i-1;j++)
System.out.print(" ");
for(int k=1;k<=11-(2*i);k++)
System.out.print("*");
System.out.print("\n");
}
}
public static void main(String[] args) {
IsoscelesTriangle app = new IsoscelesTriangle();
System.out.println("---------------------------");
app.print1();
System.out.println("---------------------------");
app.print2();
System.out.println("---------------------------");
}
}