Java - 3 tutorials with tasks

Hi, I need 3 simple tasks in Java

Tutorial 1 -
Task1:

Write a simple Java Program (An application) using JOPtionPane object of Java Swing package that
Use input dialogs to input two values from user
Use message dialog to display sum of the two values
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Task2: Write a simple Java Program (An application) using JOPtionPane object of Java Swing package that will ask you to enter your first name.
Then it will ask you to enter your family name
At the end the program will show your full name in JOption output pane
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Task3:
Write a simple Java Program using JOPtionPane object of Java Swing package that will ask you to enter three numbers
Then the program will show you the average of those three numbers you have entered
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Tutorial 2 - is attached document.

Tuturial 3 - is attached document.