Question 1. Question :
Which of the following is NOT a component of a variable declaration statement?
Data type identifier
Question 2. Question :
A __________ is a named memory location that you can use to store a value.
Question 3. Question :
In a __________ environment, you can change directories using the cd command. For example, to change to a directory named MyClasses, you type cd MyClasses and press Enter.
Question 4. Question :
__________ variables are variables that are shared by every instantiation of a class.
Question 5. Question :
You can store any character, including nonprinting characters such as a backspace or a tab, in a(n) __________ variable.
Question 6. Question :
When an application contains just one version of a method, you can call the method using a(n) __________ of the correct data type.
Question 7. Question :
A(n) __________ variable can hold only one of two values: true or false.
Question 8. Question :
A method can receive __________ arguments, even if it is defined as needing double arguments.
Question 9. Question :
A unique identifier is most likely used as a __________ key in a database.
Question 10. Question :
If a compiler detects a violation of language rules, it refuses to translate the class to __________.
a logic error
Question 11. Question :
__________ refers to the hiding of data and methods within an object.
Question 12. Question :
In Java, when a numeric variable is concatenated to a String using the __________, the entire expression becomes a String.
Question 13. Question :
After a successful compile, you can run the class file on any computer that has a __________.
Java language interpreter
Question 14. Question :
A(n) __________ variable is known only within the boundaries of the method.
Question 15. Question :
A locally declared variable always __________ another variable with the same name elsewhere in the class.
Question 16. Question :
A __________ is an error not detected until the program asks the computer to do something wrong or even illegal, while executing.
Question 17. Question :
The percent sign is the __________ operator.
Question 18. Question :
A data item is __________ when it cannot be changed while a program is running.
Question 19. Question :
A __________ data type can hold 14 or 15 significant digits of accuracy.
Question 20. Question :
Java contains a class named __________ that allows you to produce dialog boxes.