What is the range of values that can be stored in a long primitive? : Questions « Java Source And Data Type « SCJP
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Questions
1.30.17.What is the range of values that can be stored in a long primitive?
A.
0
through
2
^
32
-
1
B. -
2
^
32
through
2
^
32
-
1
C. -
2
^
63
through
2
^
63
-
1
1.30.Questions
1.30.1.
What is the output from the following code(array index)?
1.30.2.
Answer: array index
1.30.3.
Which of the following are true about this method declaration?
1.30.4.
Answer: method declaration
1.30.5.
Which of the following are true about this variable declaration?
1.30.6.
Answer: variable declaration
1.30.7.
What is the output from the following program?
1.30.8.
Answer: static method and instance variable
1.30.9.
What will be the result of trying to compile and run the following code?
1.30.10.
Answer: main method
1.30.11.
Select the correct command line to execute the program and produce "The word is gamma" as the output line.
1.30.12.
Answer: main method parameter passin
1.30.13.
Which of the following are not reserved words in Java?
1.30.14.
Answer: reserved words in Java
1.30.15.
What is the range of values that can be stored in a byte primitive variable?
1.30.16.
Answer: range of values of a byte primitive variable
1.30.17.
What is the range of values that can be stored in a long primitive?
1.30.18.
Answer: range value for long primitive
1.30.19.
Which of the following would be illegal identifiers for a Java variable?
1.30.20.
Answer: identifiers for a Java variable
1.30.21.
After the following code has been executed, what is the value of types[0]?
1.30.22.
Answer: array element value
1.30.23.
Which of the following class declarations are not correct Java declarations?
1.30.24.
Answer: synchronized declaration
1.30.25.
Which of the following declaration sets the proper access for MyAccess class in yourpackage package to not allow subclass?
1.30.26.
Answer: package and subclass
1.30.27.
what is/are true about the widgetCount variable?
1.30.28.
Answer: static variable
1.30.29.
File Derived.java contains the following classes, what will happen when this file is compiled?
1.30.30.
Answer: derived class
1.30.31.
What happens when you try to use multiple Widget objects in multiple Threads?
1.30.32.
Answer: static variable(2)
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