java对txt文件读写
时间: 2023-10-17 08:44:04 浏览: 60
对于Java来说,可以使用`FileReader`和`FileWriter`类来实现对txt文件的读写操作。下面是一个简单的示例代码:
```java
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class TxtFileReadWriteExample {
public static void main(String[] args) {
String filePath = "path/to/your/file.txt";
// 写入文件
try (BufferedWriter writer = new BufferedWriter(new FileWriter(filePath))) {
writer.write("Hello, World!");
writer.newLine();
writer.write("This is a sample text file.");
writer.newLine();
writer.write("You can write any content you want.");
} catch (IOException e) {
e.printStackTrace();
}
// 读取文件
try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
String line;
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
你可以将`path/to/your/file.txt`替换为你想读写的txt文件的实际路径。