What is the length of array csGrades at the end of main()?Image is shown below: Group of answer choices37499100 ```javapublic static int addGrade(int[] allGrades, int grade, int listSize) { allGrades[listSize] = grade; ++listSize; return listSize;}public static void main(String[] args) { final int MAX_GRADES = 100; int[] courseGrades = new int[MAX_GRADES]; int numGrades = 0; numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade(csGrades, 74, numGrades);}```### ExplanationThis Java program demonstrates a simple method for adding grades to an array:- **addGrade Method:** - It accepts an integer array `allGrades`, an integer `grade`, and an integer `listSize`. - The method assigns the given `grade` to the `allGrades` array at the index specified by `listSize`. - It then increments `listSize` to reflect the new number of grades. - Finally, it returns the updated `listSize`.- **main Method:** - Defines a constant `MAX_GRADES` set to 100, indicating the maximum number of grades that can be stored. - Creates an integer array `courseGrades` with a size of `MAX_GRADES`. - Initializes `numGrades`, a counter for the number of grades, to 0. - Calls `addGrade` three times, each time adding a grade of 74 to `courseGrades`. - Updates `numGrades` with the new total number of grades after each addition.### UsageThis program can be used as a foundation for managing student grades in a course, allowing you to add grades up to a predefined maximum limit.

Algorithm:Initialize a constant MAX_GRADES as 100 and create an integer array courseGrades of size…

public static int addGrade(int[] allGrades, int grade, int listSize) { allGrades[listSize] = grade; ++listSize; return listSize; } public static void main(String[] args) { final int MAX_GRADES = 100; int[] courseGrades = new int[MAX_GRADES]; int numGrades = 0; } numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade (csGrades, 74, numGrades);

public static int addGrade(int[] allGrades, int grade, int listSize) { allGrades[listSize] = grade; ++listSize; return listSize; } public static void main(String[] args) { final int MAX_GRADES = 100; int[] courseGrades = new int[MAX_GRADES]; int numGrades = 0; } numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade(csGrades, 74, numGrades); numGrades = addGrade (csGrades, 74, numGrades);

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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

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Question

What is the length of array csGrades at the end of main()?

Image is shown below:

Group of answer choices

100

```java
public static int addGrade(int[] allGrades, int grade, int listSize) {
allGrades[listSize] = grade;
++listSize;
return listSize;
}

public static void main(String[] args) {
final int MAX_GRADES = 100;
int[] courseGrades = new int[MAX_GRADES];
int numGrades = 0;
numGrades = addGrade(csGrades, 74, numGrades);
numGrades = addGrade(csGrades, 74, numGrades);
numGrades = addGrade(csGrades, 74, numGrades);
}
```

### Explanation

This Java program demonstrates a simple method for adding grades to an array:

- **addGrade Method:**
- It accepts an integer array `allGrades`, an integer `grade`, and an integer `listSize`.
- The method assigns the given `grade` to the `allGrades` array at the index specified by `listSize`.
- It then increments `listSize` to reflect the new number of grades.
- Finally, it returns the updated `listSize`.

- **main Method:**
- Defines a constant `MAX_GRADES` set to 100, indicating the maximum number of grades that can be stored.
- Creates an integer array `courseGrades` with a size of `MAX_GRADES`.
- Initializes `numGrades`, a counter for the number of grades, to 0.
- Calls `addGrade` three times, each time adding a grade of 74 to `courseGrades`.
- Updates `numGrades` with the new total number of grades after each addition.

### Usage

This program can be used as a foundation for managing student grades in a course, allowing you to add grades up to a predefined maximum limit.

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