Question: 1. Write an application that presents three buttons and a label. Label the buttons Add, Subtract and Multiply respectively. Display a numeric value (initially 1) using the label. Each time any button is pushed, perform an appropriate operation by a value of 5. Example: if Add button is pushed, add 5 to the numeric value.
2. Write an application that draws a traffic light and uses a push button to change the state of the light. Derive the drawing surface from the JPanel class and use another panel to organize the drawing surface and the button.