java实现解压rar5和zip

public class Unrar {//服务器需要安装winrarpublic static final String winrarPath = "C://Program Files//WinRAR//WinRAR.exe"; public static boolean unrar(String rarFile, String target) {     boolean bool = false;     File f=new File(rarFile);  if(!f.exists()){  return false;  }  String cmd = winrarPath + " X " + zipFile + " "+target;    try {     Process proc = Runtime.getRuntime().exec(cmd);     if (proc.waitFor() != 0) {     if (proc.exitValue() == 0) {     bool = false;     }     } else {     bool = true;     }     } catch (Exception e) {     e.printStackTrace();     }     return bool;     }//解压zip格式压缩包  private static void unzip(String sourceZip,String destDir) throws Exception{    try{    Project p = new Project();    Expand e = new Expand();    e.setProject(p);    e.setSrc(new File(sourceZip));    e.setOverwrite(false);    e.setDest(new File(destDir));      e.setEncoding("gbk");    e.execute();    }catch(Exception e){    throw e;    }    }public static void main(String[] args) {     String rarFile= "D://a.rar";  String zipFile= "D://a.zip";  String rartarget= "D://123//";String ziptarget= "D://456//";unzip(zipFile, ziptarget);boolean b = unrar(rarFile, rartarget);        System.out.println(b);      }
}

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