package studyjava;import java.io.BufferedInputStream;import java.io.BufferedReader;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import org.omg.SendingContext.RunTime;public class install {    public static void main(String[] args) throws Exception    {           String dir="D:\\downapp\\";        File f1=new File(dir);        String[] apkname=f1.list();        for(int i=0;i