Answer:
Code is in the attached screenshot.
Explanation:
Assumed it was written in Java based on your other question asked.
Answer:
Graphical User Interface (GUI)
Explanation:
Graphical User Interface clicking on various icons to perform a certain functionality. GUI is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces or command line interface where you would have to type to run the program rather than just click it.
Answer:
Option a, b, d, f, and j is legal method calls.
Explanation:
In the given question some information is missing, that is the method definition which can be described as follows:
Method definition:
int x =2, y=3; //defining integer variable
int mathMethod (int x) //method definition
{//method body
int z=x+y; //calculate value
return z; //return value
}
In the given question option a, b, d, f, and j is legal, because these options follow the correct syntax, and other option were incorrect which can be defined as follows:
- In option c, It is illegal because it accepts only one parameter.
- In option e, It is accepts long number, that's why it is illegal.
- In option g, It accepts float value, that's why it is illegal.
- In option h, It doesn't accepts any parameter.
- In option i, It isn't use in method.
1. Requirements gathering/analysis.
2. Design.
3. Development.
4. Testing.
5. Maintenance.