Java Is a Strongly Typed Language

question 9

Multiple Choice

Java is a strongly typed language. What is meant by "strongly typed"?

• A) Every variable must have an associated type before it can be used.
• B) Variables can be used without declaring their types.
• C) Every variable has a single type associated with it throughout its existence in the program and the variable can only store values of that type.
• D) Variables are allowed to change type during their existence in a program so long as the value a variable currently stores is of the type it currently declared to be.
• E) Variables are allowed to change types during their existence in a program but only if the change is to a narrower type.

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed to observe its effects on the dependent variable.

Control Group

In an experiment, the group of participants that does not receive the experimental treatment, used as a baseline to measure how the other tested groups do.

Experimental Group

The subset of participants in an experiment who are exposed to the independent variable.

Secondary Research

The analysis and interpretation of existing data or information that was collected by someone else, as opposed to primary research where data is collected firsthand.