Need some help thanks

I d'like to create an image. I want for doing it to paste several images in rows and columns to compose only one bigger.
If someone has got an idea can you help me please or if you don't understand me do you want more informations?
thank you for your attention.

In fact i have several images with 768*568 dimension and i want to paste them in a sort of BufferImage or something else that represents a kind of mosaic with only one image.
I wonder if the image i want to obtain is limited in width and heigth..
Thank you for your help..

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                   else if(Cmd.equals("Remove"))
                        Remove();
         //Tells you what you can do...
         public static void Menu()
              System.out.println("Choices..................................");
              System.out.println("\tFill to Enter Product");
              System.out.println("\tShow to Show Products");
              System.out.println("\tSearch to Search for Product");
              System.out.println("\tRemove a Product");
              System.out.println("\tQuit");
              System.out.println(".........................................");
         //This method will allow the user to fill an array with values...
         public static void FillList()
              int Count;
              System.out.println("Type Stop to Stop");
              for(Count = 0 ; Count < List.length ; Count++)
                   System.out.print("Enter Product: ");
                   List[Count] = SimpleIO.inputString();
                   if(List[Count].equals("Stop"))
                        break;
              Size = Count;
         //This method will rearrange the values in the array so that
         // go from smallest to largest (ascending) order...
         public static void SearchList()
              String KeyValue;
              boolean NotFoundFlag;
              int Z;
              System.out.println("Enter Product Names Below, Stop To Quit");
              while(true)
                   System.out.print("Enter: ");
                   KeyValue = SimpleIO.inputString();
                   if(KeyValue.equals("Stop")) //Note the use of a method for testing
                        break; // for equality...
                   NotFoundFlag = true; //We'll assume the negative
                   for(Z = 0 ; Z < Size ; Z++)
                        if(List[Z].equals(KeyValue)) {
                             NotFoundFlag = false; //If we fine the name, we'll reset the flag
              System.out.println(List[Z] + " was found");
                   if(NotFoundFlag)
                        System.out.println(KeyValue + " was not found");     
         //This method will display the contents of the array...
         public static void ShowList()
              int Z;
              for(Z = 0 ; Z < Size ; Z++)
                   System.out.println("Product " + (Z+1) + " = " + List[Z]);
         public static void Remove()
    }

    I need help removing a product from the arrayYes. So what's your problem?
    "Doctor, I need help."
    "What's wrong?"
    "I need help!"
    Great.
    By the way, you can't remove anything from an array. You'll have to copy the remaining stuff into a new one, or maybe maintain a list of "empty" slots. Or null the slots and handle that. The first way will be the easiest though.

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