Classes are the blueprints of objects. What kind of relationships exist among classes? Explain these relationships
    Classes are the blueprints of objects. What kind of relationships exist among classes? Explain these relationships

Classes are the blueprints of objects. What kind of relationships exist among classes? Explain these relationships

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1. Your program is running without an error, but produces strange results when the user clicks a button Calculate. You suspect that you have made a logical error in a method that defines action for this button. Explain how you would set up watch variables

2.Give several reasons why exception-handling techniques should not be used for conventional program control.

3.Suppose you had to create an algorithm that choose between several different processing paths, and the control variable was a discrete data type. What would the best approach be?

4.You need to read in employee records from a text file, where each line describes one employee: the employee number, name, salary value, and so forth. In your application you want the employee most of the time sorted alphabetically by the name, but from time to time you will be creating reports based on the salary value where having them sorted by salary would be more convenient. Describe the data structure in which you plan to store the employee data (a collection of individual variables, an array, array list, or anything else). Would you store data sorted or not? How would you address the requirement of different sorting orders? How would you add new employee records during the execution?

5.Suppose that you have an array of baseball scores (type integer) called Scores. The values in the array are ordered from largest to smallest. You need to find the average score, and how many scores are less or equal to the average, and how many are greater than the average. Write a code fragment to accomplish it, or at the very least write detailed plan (pseudocode).

6.Is formatting program output important? If so, what are the predefined Java formatting methods to control formatting for numbers, percent values and currencies? List a coding example that uses these methods to format a currency value.

7.Classes are the blueprints of objects. What kind of relationships exist among classes? Explain these relationships using some appropriate real world examples.

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