Study tips 1Z0-803

What three modifications, made independently, made to class Greet, enable the code to compile and run?

What changes will make this code compile?

What is the result?

What is the result?

Which code fragment is illegal?

What is the result?

Which statement, when inserted into line "// TODO code application logic here", is valid change?

What is the result?

Which two actions, used independently, will permit this class to compile?

How many times is 2 printed as a part of the output?