//打印等腰三角形 import java.util.Scanner; public class Exam02{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); System.out.println("input row number"); int num = sc.nextInt(); for(int i = 0;i < num;i++){ for(int j = num -i-1;j >= 0;j--) System.out.print(" "); for(int k = 0;k<=i;k++) System.out.print("* "); System.out.println(); } } }
打印等腰三角形
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