How do I do it in Java?

How do I ...
  1. Write programs?
  2. Compile?
  3. Link?
  4. Run my program?
  5. Create a main program?
  6. Print?
  7. Print to a file?
  8. Read?
  9. Read from a file?
  10. Exit the program?
  11. Use global variables?
  12. Use enumerations?
  13. Tell primitives from objects?
  14. Check if two objects are equal?
  15. Create objects?
  16. Use classes?
  17. Use arrays?
  18. Use arrays of objects?
  19. Use static methods?
  20. Use strings?