题目:打印出如下图案(菱形)
*
***
*****
*******
*****
***
*
package cn.ls.lanqiao;
public class Test19 {
public static void main(String[] args) {
for (int i = 1; i <= 4; i++) {
for (int j = 1; j <= 2 * i - 1; j++) {
System.out.print("*");
}
System.out.println();
}
for (int i = 3; i >= 1; i--) {
for (int j = 1; j <= 2 * i - 1; j++) {
System.out.print("*");
}
System.out.println();
}
}
}
*
***
*****
*******
*****
***
*
package cn.ls.lanqiao;
public class Test19 {
public static void main(String[] args) {
for (int i = 1; i <= 4; i++) {
for (int k = 1; k <= 4 - i; k++)
System.out.print(" ");
for (int j = 1; j <= 2 * i - 1; j++)
System.out.print("*");
System.out.println();
}
for (int i = 3; i >= 1; i--) {
for (int j = 1; j <= 4 - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print("*");
}
System.out.println();
}
}
}