import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class CompileAndRun {
private String mess = null;
private File file;
private Runtime runtime;
private Process pro;
public static void main(String[] args) {
CompileAndRun com = new CompileAndRun();
com.isRun();
}
public CompileAndRun() {
this.runtime = Runtime.getRuntime();
}
public void isRun(){
try{
//执行命令
pro = runtime.exec("cmd /c java "+"-classpath D:\Test"+"Java23.class");
//取得命令结果的输出流
InputStream fis = pro.getInputStream();
//用一个读输出流类去读
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
String line = null;
//逐行读取输出到控制台
while ((line = br.readLine()) != null) {
System.out.println(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}}
帮忙看下程序,为什么不能运行一个编译好的class文件。这个程序的输出结果居然是直接在cmd操作下输入java指令的结果。。。我想要运行class文件得到的结果,请问哪里写错了。