//直角
for (int i = 0; i <=5 ; i++) {
for (int j = 0; j <i-1 ; j++) {
System.out.print("* ");
}
System.out.println();
}
//另一半的直角
for (int i = 1; i <=5 ; i++) {
for (int j = 1; j <=5-i ; j++) {
System.out.print(" ");
}
for (int j = 1; j <= i; j++) {
System.out.print("*");
}
System.out.println();
}
//到直角
for (int i = 1; i <=5 ; i++) {
for (int j = 4; j >=i ; j--) {
System.out.print("* ");
}
System.out.println();
}
//也是到直角不一样的
for (int s = 1; s <= 4; s++) {
for (int x = 2; x <= s; x++) {
System.out.print(" ");//x从2开始，表示在第二行进行遍历循环输出空格，每行依次递增
}
for (int b = 4; b >= s; b--) {
System.out.print("*");//空格之后输出*，搞清楚这些符号的数字关系
}
System.out.println();
}
