Java计算1!+2!+3!+……+10!
时间: 2024-05-23 11:07:05 浏览: 9
Java计算1!+2!+3!+……+10!的过程可以通过循环和递归两种方式实现。下面是使用循环方式计算的示例代码:
```java
public class FactorialSum {
public static void main(String[] args) {
int n = 10;
int sum = 0;
for (int i = 1; i <= n; i++) {
int factorial = 1;
for (int j = 1; j <= i; j++) {
factorial *= j;
}
sum += factorial;
}
System.out.println("1! + 2! + 3! + ... + 10! = " + sum);
}
}
```
运行以上代码,输出结果为:
```
1! + 2! + 3! + ... + 10! = 4037913
```
相关问题
Java计算1!+2!+3!+……10!的值
Java计算1!+2!+3!+……10!的值可以通过循环和递归两种方式实现。下面是循环实现的代码示例:
```
public class FactorialSum {
public static void main(String[] args) {
int sum = 0;
int factorial = 1;
for (int i = 1; i <= 10; i++) {
factorial *= i;
sum += factorial;
}
System.out.println("1!+2!+3!+...+10! = " + sum);
}
}
```
运行结果为:
```
1!+2!3!+...+10! = 4037913
```
下面是递归实现的代码示例:
```
public class FactorialSum {
public static void main(String[] args) {
int sum = 0;
for (int i = 1; i <= 10; i++) {
sum += factorial(i);
}
System.out.println("1!+2!+3!+...+10! = " + sum);
}
public static int factorial(int n) {
if (n == 1) {
return 1;
} else {
return n * factorial(n - 1);
}
}
}
```
运行结果为:
```
1!+2!+3!+...+10! = 4037913
```
java编程求1!+2!+3!……+10!
Java编程题:1!+2!+3!…+10!
答案:求1!+2!+3!+...+10!的和,可以用for循环从1~10遍历每个数,再用一个循环计算每个数的阶乘,最后累加每个数的阶乘即可。代码如下:
```
public class FactorialSum {
public static void main(String[] args) {
int sum = 0;
for (int i = 1; i <= 10; i++) {
int factorial = 1;
for (int j = 1; j <= i; j++) {
factorial *= j;
}
sum += factorial;
}
System.out.println("1!+2!+3!+...+10! = " + sum);
}
}
```
运行结果为:
```
1!+2!+3!+...+10! = 4037913
```
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