帮我写一个java的文件读写的代码
时间: 2024-05-13 17:13:41 浏览: 131
好的,以下是一个简单的 Java 文件读写的示例代码:
```
import java.io.*;
public class FileReadWriteExample {
public static void main(String[] args) {
try {
// 写文件
FileWriter writer = new FileWriter("output.txt");
writer.write("Hello, World!");
writer.close();
// 读文件
File file = new File("output.txt");
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = reader.readLine();
System.out.println(line);
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
以上代码可以实现向文件写入一行文字,并且读取文件中的内容并打印出来。希望对你有帮助!
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