Write the statements necessary to declare a reference variable of type JFrame called myFrame, create a JFrame object, and assign it to the reference variable. The argument for the JFrame constructor should be the String "Welcome to myFrame!".

Now change the layout manager for the JFrame object referenced by myFrame from BorderLayout (the default layout manager for a JFrame) to GridLayout using the default constructor for class GridLayout.

Note: Do not write a complete program. Only the write the few statements necessary to answer.