Question: Need help to answer these questions Background of Java platform-independent language; can create both applications & Applets Translator programs compilers, interpreters what's the difference? source

Need help to answer these questions

  1. Background of Java

  1. platform-independent language; can create both applications & Applets
  2. Translator programs compilers, interpreters what's the difference?
  3. source code
  4. object code
  5. Java compiled to byte code (javac)
  6. JVM interprets byte code at execution time (java)
  7. Programming what is

a. traditional

b. procedural

c. object-oriented (encapsulation, inheritance,

polymorphism)

  1. What is a class? object?
  2. Naming rules for classes & variables
  3. Access modifiers public, private
  4. qualifier static
  5. main() syntax of header line
  6. comment styles
  7. Variables primitive data types & how to declare, initialize & assign values
  8. Output to screen using println() and print() methods
  9. Arithmetic operators & their precedence
  10. Casting implicit when is this done?
  11. explicit when is this required?
  12. Unicode
  13. class methods static methods
  14. return type, arguments
  15. how to define/declare; how to call
  16. formal vs. actual parameters
  17. overloading
  18. calling a method in another class
  19. class how to define
  20. attributes fields, instance variables
  21. access generally private, why?
  22. methods behavior, instance methods (non-static)
  23. can only be called for an instance of the class
  24. access generally public, why?
  25. getter & setter methods what is their purpose?
  26. Object what is it? how to declare
  27. instantiate allocate memory using the new operator
  28. how to access methods of a class
  29. constructors: when are they called?
  30. what is their name? return type?
  31. what is a default constructor?
  32. what is the primary purpose of a constructor?
  33. overloading constructors
  34. Interactive processing
  35. prompts,
  36. echoing inputs

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