import java.util.Scanner;
public class WangDao {
public static void main(String[] args){
System.out.print("Input your line: ");
Scanner scan = new Scanner(System.in);
int n = scan.nextInt();
printPattern(n);
}
public static void printPattern(int n) {
for (int i = 0; i < n; i++) {
for (int j = n-i; j > 0; j--) {
System.out.print(" ");
}
for (int j = 0; j < 2*i+1; j++) {
System.out.print("*");
}
System.out.println();
}
for (int i = n-1; i > 0; i--) {
for (int j = 0; j <= n-i; j++) {
System.out.print(" ");
}
for (int j = 0; j < 2*i-1; j++) {
System.out.print("*");
}
System.out.println();
}
}
}
【王道JAVA】【程序 19 打印菱形图案】
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转载自blog.csdn.net/YelloJesse/article/details/89408785
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