Please help with all aspects of the question: Describe how you would create a Java program that prompted the user to correctly enter a username and password. The username is not case sensitive, but...

Please help with all aspects of the question:

• 
  
  Describe
  
  how you would create a Java program that prompted the user to correctly enter a username and password.


• The username is not case sensitive, but the password is. The user needs to type both username and password correctly for the program to print out “Hello World.”
  Include the necessary code and code descriptions.


• 
  
  How
  
  do the rules set by Java decrease the likelihood of programming errors?