Using Java Programming language:

Create a program that has a textfield for the user to type in a set of input.

Below that textfield have the following controls to show string manipulations:

1. A button that will change the entire textfields current text to uppercase.
2. A button with its own textfield for a search value, that will tell the position the search value appears in the textfield above.
3. A button that reports the current number of characters in the textfield above.