The break statement is required in the default case of a switch selection structure.
True
False
Correct Answer :
B. False
Related Questions
Which of the following classes are available in the java.lang package?
Random
Stack
String Buffer
Vector
Frames and applets cannot be used together in the same program.
True
False
Which of the following are the wrapper classes?
Random
Vector
Byte
all of the above
The modulus operator (%) can be used only with Integer operands.
True
False
Consider the following statements:
int x = 10, y = 15;
x = ((x < y) ? (y + x) : (y - x);
What will be the value of x after executing these statements?
x = ((x < y) ? (y + x) : (y - x);
25
15
5
Error can't be executed.
We would like to make a member of a class visible in all subclasses regardless of what package they are in. Which one of the following keywords would achieve this?
private
protected
public
private protected
In RMI before running the client program we must start RMI Registry.
True.
False.
Which of the following will produce a value of 10 if x = 9.7?
floor(x)
abs(x)
rint(x)
round(x)
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
True
False
A thread can make second thread ineligible for execution by calling the suspend (-) method on second thread.
True
False
It is perfectly legal to assign a subclass object to a supper class reference.
True
False
Which of the following methods belong to the String class?
length()
compareTo()
substring()
all of the them
To delete a file, we can use an instance of class file.
True
False
A static class method can be invoked by simply using the name of the method alone.
True
False
An individual array element that is passed to a method and modified in that method will contain the modified value when the called method completes execution.
True
False
It is an error to have a method with the same signature in both the super class and its subclass.
True
False
The keywords reserved but not used in the initial version of Java re:
Synchronized
Boolean
union
goto
Submit button always fires doPost(...)
True
False
A final class may not have any abstract method.
True
False
When present, package must be the first no comment statement in the file.
True
False
When we implement an interface method, it should be declared as public.
True
False
The length of a string object 's1' can be obtained using the expression s1.length.
True
False
All the bitwise operators have the same level of precedence in Java.
True
False
Servlet has ___________
init method
doGet(------) method
All of the above methods.
Which of the following will produce a value of 22 if x=22.9:
Ceil(x)
Round(x)
Rint(x)
Abs(x)
Which of the following control expressions are valid for an if statement?
an integer expression
a Boolean expression
either A or B
Neither A or B
The check box group class is a subclass of the component class.
True
False
In a single Servlet class we can use____________
doGet(...) method only
doPost(...) method only
doGet(...) method and doPost(...) method both at a time.
Either 'a' or 'b'
In RMI we invoke client method from remote server
True
False
A method declared as static can not access non-static class members.
True
False