
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:## Part 2: Coding
### Task
Write a complete Java program named `FindAverage` that contains the following:
1. **Main Method Requirements:**
- **User Input:**
- Ask the user to provide the number of rows and columns for a 2-dimensional array of integers.
- **Array Creation:**
- A main method must call the `getArray()` method to create the 2D array of the specified size.
- Populate the array with random values from 0 to 100.
- **Print Array:**
- Print the elements of the 2D array created by `getArray()`.
- **Compute and Print Average:**
- Call the `printAverage` method that will:
- Receive the 2-dimensional array as input.
- Calculate the average of elements in this array.
- Display the average on the console.
2. **Output Requirements:**
- The average of all elements should be formatted as `xxx.xx`.
3. **Additional Guidance:**
- **Hint:** You can print the 2D array at any point in the program using either a traditional for loop, foreach loop, or available methods in the `java.util` package.
- **Program Comments:**
- Add comments to your program. Start your program with the following header:
```java
/******************************************
```
Ensure that the program is well-commented and follows standard coding practices for clarity and maintainability.
Expert Solution

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Step 1
logic to generate random number in range:-
Min + (int)(Math.random() * ((Max - Min) + 1));
where set Min =1 and Max=100 (requirement)
Logic to get length of 2D array.
randArray.length to get number of rows
and randArray[i].length to get number of columns.
end.
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