Process synchronization problem

Question

I have a unique problem.
- I have two seperate methods method1 and method2, which I am calling in the same order.
- method1 produces a file using an exe.
- method2 should use this file for further processing.
Now, what is happening is, method2 executes before method1 is finished creating whole file. the code snippet is below:
public static synchronized void method1(String imageName){
          try{
                        //create a file using myexe.exe
               String strCmdLine =  "\"C:\\Program Files\\somefolder\\myexe.exe\" \"C:\\Program Files\\using this folder content\\create a file\\" \"C:\\Program Files\\somefolder\\myfile.file\"";
               Runtime rt = Runtime.getRuntime();
               Process proc = rt.exec(strCmdLine);
          }catch(Exception ex){
               ex.printStackTrace();
     }and the method2 is :
public static synchronized void method2(String myFileName, String createAnotherFileName){
          try{
               Thread.sleep(5000);
               Runtime rt = Runtime.getRuntime();
               String strCmdLine = "\"myAnotherExe.exe\" " + "param1" + " \"" + myFileName + "\" " + "\"" + createAnotherFileName+ "\"";
               System.out.println("strCmdLine : " + strCmdLine);
               Process proc = rt.exec(strCmdLine);
          }catch(Exception ex){
               ex.printStackTrace();
     }even with synchronization block, i am not able to control method1 to finish creating myFlie before method2 starts using myFile :(
Can anyone help me?
Any help will be appreciated.
Thanks in advance.
DD

Answer 1

I tried using
int exitVal = proc.waitFor();
but it keeps waiting for ever, does not exit :(
public static synchronized void method1(String imageName){
          try{
                        //create a file using myexe.exe
               String strCmdLine =  "\"C:\\Program Files\\somefolder\\myexe.exe\" \"C:\\Program Files\\using this folder content\\create a file\\" \"C:\\Program Files\\somefolder\\myfile.file\"";
               Runtime rt = Runtime.getRuntime();
               Process proc = rt.exec(strCmdLine);
                        int exitVal = proc.waitFor();
          }catch(Exception ex){
               ex.printStackTrace();
     }