Question

# 2D array operations

Write a program that creates a two-dimensional array initialized with test data. Use any primitive data type you wish. The program should have the followingmethods.
• getTotal - This method should accept a two-dimensional array as its argument and return the total of all the values in the array.
• getAverage - This method should accept a two-dimensional array as its argument and return the average of all the values in the array.
• getRowTotal. - This method should accept a two-dimensional array as its first argument and an integer as its second argument. The second argument should be thesubscript of a row in the array. The method should return the total of the values in the specified row.
• getColumnTotal - This method should accept a two-dimensional array as its First argument and an integer as its second argument. The second argument should be thesubscript of a column in the array. The method should return the total of the values in the specified column.
• getHighestInRow - This method should accept a two-dimensional array as its First argument and an integer as its second argument. The second argument should be thesubscript of a row in the array. The method should return the Highest values in the specified row in the array.
• getLowestInRow - This method should accept a two-dimensional array as its First argument and an integer as its second argument. The second argument should be thesubscript of a row in the array. The method should return the lowest values in the specified row in the array.

** please comment each method (mentioned above) so I know what I am looking at. I am pretty lost and need to learn this. Thank you
Document your code, with annotated code throughout. Think of what comments needed if you were to look at the program a year from now.
You can initialize the array's data in the declaration to save time. Create methods to operate on two types of arrays, which means you'll have twelve methods. Use aclass that performs the array operations, and a class that creates an instance of this class, for example:

ArrayOperations2D.java
ArrayOperations2DDemo.java

Here's some example output:

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