**THIS IS AN IN CLASS EXCERCISE AND WILL NOT DIRECTLY AFFECT YOUR GRADE**

* Your solutions will be evaluated by the TAs to judge your knowledge of the material so please write neatly and keep your solution organized.

Problem #1: Create a GUI (subclass of JFrame) class. The class will use a FlowLayout and display four text fields and four labels. Name the objects appropriately and add them to the frame. Practice adding them in different orders to see how the display (text fields first, followed by labels, one field, then one label, one field, then two labels, and so on).

Problem #2: Create a GUI (subclass of JFrame) class. The class will use a GridLayout and display three buttons in one row. One the next row display a text field, a button, and a text field.

Problem #3: Create a GUI (subclass of JFrame) class. The class will use a BorderLayout and display a button in the center of the GUI, surrounded by four text fields.

Problem #4: Create the layout of a GUI to model a basic calculator.

• Create buttons to perform the basic mathematical operations (+, -, /, *, and %) and to enter data.
• Create a text field for the user to enter in values.