使用Java书写,用io流实现往F:\\\images\\a.txt文件里面写内容和读内容
时间: 2023-06-20 17:05:37 浏览: 57
写入文件内容:
```java
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
public class WriteToFileExample {
public static void main(String[] args) {
String filePath = "F:\\images\\a.txt";
String content = "Hello, World!";
try (BufferedWriter writer = new BufferedWriter(new FileWriter(filePath))) {
writer.write(content);
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
读取文件内容:
```java
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class ReadFromFileExample {
public static void main(String[] args) {
String filePath = "F:\\images\\a.txt";
try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
String line = reader.readLine();
System.out.println(line);
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
注意:在执行这些代码之前,请确保文件路径存在并具有写入/读取权限。