class cmdln_file {
public static void main(String[] args) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
try {
Runtime rt = Runtime.getRuntime();
Process pr = rt.exec("cmd /c dir");
//Process pr = rt.exec("C://apkfiles//new_pro2.apk");
BufferedReader input = new BufferedReader(new InputStreamReader(pr.getInputStream()));
String line=null;
while((line=input.readLine()) != null) {
System.out.println(line);
}
int exitVal = pr.waitFor();
System.out.println("Exited with error code "+exitVal);
} catch(Exception e) {
System.out.println(e.toString());
e.printStackTrace();
}
}
}
您的问题不太清楚,但是如果您的代码正常运行,请用cmd /c dir > test.txt
替换cmd /c dir
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