public class AddArrays extends Thread{
     private Vector myVec;
    
     public void run(){
       myVec = new Vector();
       for (i to array1.length)
           myVec.add(array1[i];
       repeat for loop for array2
     }
  
    public Vector getVector(){
      return myVec;
    }
}
 
public class SortVector extends Thread{
     Vector myVec;
     public SortVector(Vector myVec){
        this.myVec = myVec;
     }
        
     public void run(){
        sortTheVector;
     }
      
    // include a Method toReturn Vector;
}