Answer:
c. StringBuilder
Explanation:
An alternative to the String class would be the StringBuilder Class. This class uses Strings as objects and allows you to mix and match different strings as well as adding, removing, implementing, and modifying strings themselves as though they were similar to an array. Unlike the string class StringBuilder allows you to modify and work with a combination of strings in the same piece of data as opposed to having various objects and copying pieces which would take up more memory.
Answer:
The languages C++, Java, Python are Object Oriented Programming languages. What this means is that we create classes and then instantiate those classes. In C++ and Java, we use the new operator to instantiate the classes. So, if we want to display some data when we try to print the instance just like we print the variables of data types like int, double, string etc, we need to define what we need to display. It is because, class are just like data types like int, double etc. But as they are defined by the developer according to his/her needs, so the developer has to define what to print when they are printed.
Answer:
Code completion.
Explanation:
The NetBeans is an integrated development environment framework of java language. Code completion is the features of NetBeans which is easier to complete the code This feature is known as smart code features because it completes the code in a very easy manner. The Code completion features are needful when we have to fill the missing code or program in the java language.
Hence Code completion. is used to enter the name into the code in the NetBeans.
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Answer:
Number of feet in a mile
Explanation:
In this problem, we need to find an option that to be created as a constant variable.
In option (a) "number of feet in a mile".
As 1 mile = 5280 foot
The number of feet in a mile is constant in every condition.
In option (b), (c) and (d)
number of people inside a store
, current grade in a class
, score in a football game are no fixed. It is not created as a constant variable.
Hence, the correct option is (a).
