The term Pass-by-value in math means:
How a variable(s) are passed on.
It’s how you pass a variable’s values into the function.
Hope this helps! :3
Answer:
I believe B is the correct answer.
Explanation:
A is quite useful, but it's not necessary for our goal of world peace.
E is too vague and doesn't help the cause. How do you simply 'stop a war' and how can we ensure that more wars won't arise in the future?
D does stop a war from going on, but it doesn't solve the problem of wanting world peace, as more wars can arise in the future.
C, as the idea, is really cool, again, how will it help our cause of wanting world peace?
I understand that you can choose multiple answers here, but you can't simply change one's mind just for the sake of wanting peace. Wars are a problem and do take part in world peace, but that doesn't change the fact that someone is not at peace with others. You've got to change their minds, not just the idea of wanting to go to war.
Please, do tell me if I got this incorrect.
Answer:
input device, data capture device
Explanation:
A digital pen is an input device that can be used for data capture.
Answer:
d. public myClass( ) {. . .}
Explanation:
A constructor is a special method that is called when an object of a class is created. It is also used to initialize the instance variables of the given class. A class may have one or more constructors provided that these constructors have different signatures. A class that does not have a constructor explicitly defined has a default parameterless constructor.
Having said these about a constructor, a few other things are worth to be noted by a constructor.
i. In Java, a constructor has the same name as the name of its class.
For example, in the given class <em>myClass</em>, the constructor(s) should also have the name <em>myClass</em>.
ii. A constructor does not have a return value. It is therefore wrong to write a constructor like this:
<em>public void myClass(){...}</em>
This makes option a incorrect.
iii. When a constructor with parameters is defined, the default parameterless constructor is overridden. This might break the code if some other parts of the program depend on this constructor. So it is advisable to always explicitly write the default parameterless constructor.
This makes option d a correct option.
Other options b and c may also be correct but there is no additional information in the question to help establish or justify that.