Difference between revisions of "Java Arrays Assignment"
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== Objective == | == Objective == | ||
* You will learn to declare arrays in Java | * You will learn to declare arrays in Java |
Revision as of 21:45, 23 November 2010
Objective
- You will learn to declare arrays in Java
- You will learn to iterate through arrays in Java
- You will learn to manipulate arrays in Java
Resources
- Introduction to Arrays - Media:IntroArrays.ppt
Directions
- Download Media:Sum.java
- Read, analyze, and execute Media:Sum.java
- Fix Media:Sum.java so that it compiles and executes properly
- Demo the fixed Media:Sum.java
- Download Media:ArrayFun.java
- Read, analyze, and execute Media:ArrayFun.java
- Modify the program in the following manner:
- Add a new loop that determines the number of values in the list that are equal to the average.
- Add a System.out.println() statement that displays the number of values in the list that are equal to the average.
- As a simple test case, run the program on a list of size four whose values are 2, 1, 2, and 3. Also run the program on a list of size three whose values are 4, 0, and 2.
- Modify the program to determine and display the minimum in the list.
- The standard approach to such a task is to initialize min with the value of the first element in the list (i.e., number[0]).
- A loop then considers the other elements in the list. (traverse the list)
- Each of these elements is tested in turn to determine whether it is less than min.
- If an element is found to be less than min, the value of min is updated.
- After the loop completes, the minimum value is definitely stored in min.
- Demo the your modified version of Media:Sum.java