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package xiangmu;
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public class Ceshi {
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public static void main(String args[]) {
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// 给定正整数n，计算n的阶乘
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// n的阶乘 n! = 1 * 2 * 3 * ... * (n-1) * n
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// 5! = 1 * 2 * 3 * 4 * 5
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int n = 5;
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// 如果是计算连加，变量jieguo初始值是0
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// 如果是计算连乘，变量jieguo初始值是1
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int jieguo = 1;
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for(int m = 1; m <= n; m = m + 1) {
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jieguo = jieguo * m;
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}
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System.out.println(n + "! = " + jieguo);
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}
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}
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