Question 4 a) Discuss the hierarchy of Java Swing class in design and implementations of computer…

Question 4
a) Discuss the hierarchy of Java Swing class in design and implementations of computer
application. [10 marks]
a) Write a java code for a program that creates the window shown in this rough diagram
below.The top/left component is a JTextField. The bottom/left component is a JList and
the right two components are JButtons to add and remove items to the list. [10 marks]