1. Write a Graphic User Interface (as shown below) with two buttons and one text field. The two buttons can be clicked, making the value within the text field (with a default value 0 or with from user input) increase and decrease by one, respectively. Increaser &Decreaser Increase Decrease 0 2. (Creating a simple calculator) Write a program to perform add, subtract, multiply and divide operations, figure shown as below Question2 in Tutorial 10 Number 1 45-Number 2 13.- Result 7.5 Add SubstractMultiply Divide provide the sourcecode 3. Write a GUI program, following the figure below. User can input the name and id within the according text fields, and comments in the text area. There are also three buttons at the bottom of the window: - Save button can be clicked to save user inputs into an external file, named "comments.txt" within the same folder where the program is -Reset button can be clicked to remove all previous input; - Cancel button can be clicked to exit the program. eclipse workspace- E