Homework 3: Due October 5th

 

Study Questions

  1. List the combined assignment operators and give examples of each.
  2. Complete questions 2.24-2.26 in the Checkpoints.
  3. What is the difference between widening conversion and narrowing conversion? Which is automatically performed in Java.
  4. What is a cast operator and what does it do?
  5. Briefly list the rules that govern the evaluation of mixed mathematical expressions.
  6. List the methods of the Math class shown on page 62. Give Java statements that use these methods.
  7. Write the declaration for a double constant named TAX whose value is 7%.
  8. Complete questions 2.27-2.31 in the Checkpoints.
  9. Define the scope of a variable.
  10. What is a local variable?
  11. Write the import statement you must include at the beginning of your program in order to use the Scanner class.
  12. Complete questions 2.34-2.37 in the Checkpoints.
  13. Complete Multiple Choice and True/False: 7-10, 13-15, 19-21.
  14. Complete Algorithm Workbench: 4, 7-11
  15. Know the answers to the Short Answer questions but do not include them with your homework: 10-12, 14.

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