Python
```python
import random
random_float = random.random()
random_float_in_range = random.uniform(0, 1)
random_int_in_range = random.randint(0, 1)
random_int = random.randint(0, 1)
random_int = 5 假设现在我们将随机整数设置为5
```
JavaScript
```javascript
let randomFloat = Math.random();
let randomFloatInRange = Math.random() (max min) + min;
let randomIntInRange = Math.floor(Math.random() (max min + 1)) + min;
let randomInt = 5; // 假设现在我们将随机整数设置为5
```
Java
```java
import java.util.Random;
Random random = new Random();
double randomFloat = random.nextDouble();
double randomFloatInRange = min + (max min) random.nextDouble();
int randomIntInRange = min + (int)(random.nextDouble() (max min + 1));
int randomInt = 5; // 假设现在我们将随机整数设置为5
```