Which of the following represent legal flow control statements?
break();
continue(inner);
return;
exit();
Correct Answer :
C. return;
Related Questions
The check box group class is a subclass of the component class.
True
False
A thread can make second thread ineligible for execution by calling the suspend (-) method on second thread.
True
False
The default case is always required in the switch selection structure.
True
False
executeUpdate automatically updates data because___________
auto commit is on, by default
It performs a hidden commit statement as well
Does not commit
None of the above.
putValue(...) method takes _____________________-
Two arguments of object type
First one is of a character type and second one is of an object type
First one is of an object type and second one is of a character type
None of the above.
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
It is an error to have a method with the same signature in both the super class and its subclass.
True
False
class.forName(...) creates an instance of java ODBC driver
True
False
Which of the following string can be used as mode string for creating a RandomAccessFile object?
"rw"
"wr"
"0"
'w''
When present, package must be the first no comment statement in the file.
True
False
executeUpdate(------------) returns ___________
Nothing
Returns a ResultSet object
Returns an integer value to show the no. of updated rows
None of the above.
One the features of is that an array can store many different types of values.
True
False
forName() is a static factory method
True
False
Throwing an exception always causes program termination.
True
False
Which of the following are not keywords?
NULL
Implements
Protected
None of the above
Session bean
Represents a single client inside the application server
Can not be shared
Is not persistent
Satisfies all of the above conditions
Any method in a supper class can be over ridden in its subclass.
True
False
Declarations can appear anywhere in the body of a Java method.
True
False
Which of the following will produce a value of 22 if x=22.9:
Ceil(x)
Round(x)
Rint(x)
Abs(x)
A panel can not be added to another panel.
True
False
If m and n are int type variables, what will be the result of the expression
'm % n' when m = -14 and n = -3?
4
2
-2
-4
Given the code
String s = new String("abc");
Which of the following calls are valid?
s.toUpperCase()
s.append("xyz")
s.setCharAt(1<'A')
all of the above
In order to connect to a database through java program we must create _______-
Connection, Statement, ResultSet
Connection, ResultSet
Statement< ResultSet
Connection, Statement
Any class may be inherited by another class in the same package.
True
False
The methods wait() and noify() are defined in
java.lang.Thread
java.lang.Runnable
java.lang.Object
java.lang.ThreadGroup
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
A variable declared inside the for loop control can not be referenced out side the loop.
True
False
Which key word can protect a class in package from accessibility by the classes outside the package?
private
protected
final
don't use any keyword at all(make it default)
A class may be both abstract and final.
True
False
Which of the following methods belong to the String class?
length()
compareTo()
substring()
all of the them