13 Questions
What is the purpose of a variable in programming?
To store and manage data values
Which variable type is suitable for storing integers without decimals?
int
How do you create a variable in Java?
Specify the type, followed by the variable name and assign it a value using the = sign
What happens when you assign a new value to an existing variable?
It overwrites the previous value of the variable
Which variable type is used to store single characters in Java?
char
What is the purpose of the 'bool' variable type in Java?
To store values with two states: true or false
Which characters are allowed in variable names in C#?
Letters, digits, underscores, and dollar signs
What does the 'final' keyword signify in C#?
Unchangeable and read-only
How can multiple variables of the same type be declared in C#?
Using a comma-separated list
Which method is often used to display variable values to the console window in C#?
WriteLine()
What is the purpose of the 'var' keyword in C#?
To declare method level variables without specifying a data type explicitly
What is an identifier in C#?
A name used to identify a class, variable, function, or namespace
Which characters can a legal identifier in C# start with?
Letter, underscore, or dollar sign
Test your knowledge of variables and data types in Java programming, covering concepts such as string, int, and float. This quiz is based on the fundamentals of programming by Dr. Zana Azeez Kakarash at Kurdistan Technical Institute.
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