java打印1到10的阶乘
时间: 2024-05-14 21:14:13 浏览: 108
以下是Java程序,用于打印1到10的阶乘:
```java
public class Factorial {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
int factorial = 1;
for (int j = 1; j <= i; j++) {
factorial *= j;
}
System.out.println(i + "! = " + factorial);
}
}
}
```
输出结果:
```
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
7! = 5040
8! = 40320
9! = 362880
10! = 3628800
```
相关问题
用java写1到10阶乘和
在Java中计算1到10的阶乘可以使用循环和递归两种常见的方法。这里分别给出两种示例:
1. 使用循环(迭代法):
```java
public class Factorial {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
System.out.println("阶乘 of " + i + " is: " + factorial(i));
}
}
// 计算阶乘的函数
private static long factorial(int n) {
if (n == 0 || n == 1) {
return 1;
} else {
return n * factorial(n - 1);
}
}
}
```
2. 使用递归(递归法):
```java
public class RecursiveFactorial {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
System.out.println("阶乘 of " + i + " is: " + factorial(i));
}
}
// 计算阶乘的递归函数
public static long factorial(int n) {
return (n == 0 || n == 1) ? 1 : n * factorial(n - 1);
}
}
```
在这两个例子中,`factorial`函数负责计算阶乘,然后在`main`函数里打印出1到10每个数的阶乘结果。
java直接打印一的阶乘到十的阶乘
以下是 Java 直接打印一到十的阶乘的代码:
```java
public class Main {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
int factorial = 1;
for (int j = 1; j <= i; j++) {
factorial *= j;
}
System.out.println(i + "! = " + factorial);
}
}
}
```
输出结果为:
```
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
7! = 5040
8! = 40320
9! = 362880
10! = 3628800
```
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