使用java写一段代码:.循环发送"pwd"命令并等待1秒,直到有返回值,退出循环
时间: 2023-06-03 14:03:16 浏览: 77
我可以为您提供Java代码示例:
```java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) {
boolean flag = true;
while (flag) {
try {
Process process = Runtime.getRuntime().exec("pwd");
BufferedReader reader = new BufferedReader(
new InputStreamReader(process.getInputStream()));
String line;
if ((line = reader.readLine()) != null) {
System.out.println(line);
flag = false;
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
```
这段代码会循环发送"pwd"命令并等待1秒,直到有返回值,然后退出循环。