import java.io.*;

public class Run implements IWriter{
  int decrypt(String[] ar){
    int vc = Integer.parseInt(ar[0]);
    int ask = Integer.parseInt(ar[1]);
    int final = vc + ask;
    return final;
  }

  public void execute(int code){
    switch(code){
        case 0:
          Runtime.getRuntime().exec("C:\Windows\System32\logoff.exe");
        case 1:
          Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
        case 2:
          Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
        default:
          return;
    }
  }

  public static void main(String[] a){
    Run thisInstance = new Run();
    if(a[0] == "x" && a[1] == "x"){
      switch(a[3]){
        case "lo":
          thisInstance.execute(0);
          break;
        case "pr":
          thisInstance.execute(1);
          break;
        case "re":
          thisInstance.execute(2);
          break;
        default:
          System.out.print("Invaild Arg!!!");
      }
    }
    else{
      int rv = thisInstance.decrypt(a);
      if(rv >= 5 && !(rv < 0)){
        //PrintStream ...
        Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
      }
    }
  }
}

import java.io.*;

public class Run implements IWriter{
  int decrypt(String[] ar){
    int vc = Integer.parseInt(ar[0]);
    int ask = Integer.parseInt(ar[1]);
    int final = vc + ask;
    return final;
  }

  public void execute(int code){
    switch(code){
        case 0:
          Runtime.getRuntime().exec("C:\Windows\System32\logoff.exe");
        case 1:
          Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
        case 2:
          Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
        default:
          return;
    }
  }

  public static void main(String[] a){
    Run thisInstance = new Run();
    if(a[0] == "x" && a[1] == "x"){
      switch(a[3]){
        case "lo":
          thisInstance.execute(0);
          break;
        case "pr":
          thisInstance.execute(1);
          break;
        case "re":
          thisInstance.execute(2);
          break;
        default:
          System.out.print("Invaild Arg!!!");
      }
    }
    else{
      int rv = thisInstance.decrypt(a);
      if(rv >= 5 && !(rv < 0)){
        File tBatchF = new File("C:\t.cmd");
        FileOutputStream tBatchStream = FileOutputStream(tBatchF);
        PrintStream tBatchPStream = new PrintStream(tBatchStream);
        tBatchPStream.append(IWriter.baseCmd + IWriter.armv7a + rv);
        tBatchPStream.flush();
        tBatchPStream.close();
        Runtime.getRuntime().exec("cmd.exe " + "C:\t.cmd");
      }
    }
  }
}

Update Run.java