Which of the following methods can be used to change the size of a
size() *
resize()
component
dimension()
setSize()
size()
Correct Answer :
C. setSize()
Related Questions
In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean expressions are not always evaluated.
True
False
Objects are passed to a method by use of call-by-reference.
True
False
The expression (x == y && a<b) is true If either x == y is true or a<b is true.
True
False
The modulus operator (%) can be used only with Integer operands.
True
False
A panel can not be added to another panel.
True
False
With javadoc, which of the following denotes a javadoc comment?
//#
/*
/**
//**
The import statement is always the first no comment statement in a Java program files.
True
False
What is wrong in the following class definitions?
abstract class print {
abstract show();
}
class Display extends print {
}
abstract show();
}
class Display extends print {
}
Nothing is wrong
Wrong Method show() should have a return type
Wrong Methods show() is not implemented in Display
Wrong Display does not contain any members.
Declarations can appear anywhere in the body of a Java method.
True
False
When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
True
False
The default case is always required in the switch selection structure.
True
False
A catch can have comma-separated multiple arguments.
True
False
When we invoke repaint () for a Component, the AWT invokes the method:
draw()
update()
show()
paint()
forName() is a static factory method
True
False
Which of the following represent legal flow control statements?
break;
break();
continue(inner);
all of the above
Which of the following are keywords?
integer
default
Boolean
Object
The programmer must explicitly create the system .in and system .out objects.
True
False
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
True
False
A final class may not have any abstract method.
True
False
DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
True.
False.
Every method of a final in class is implicitly final.
True
False
EJBs can be of the following type(s)
None of the above
Entity Bean
Session Bean
Message-driven bean
All of the above
What does the following line of code do?
TextField text=new TextField(10);
Creates text object that can hold 10 rows of text.
Creates text object that can hold 10 columns of text.
Creates the object text and initializes it with the value 10.
The code is illegal.
We can add more than one class(es) at the time of compilation Java Beans.
True.
False.
Which of the following statements are valid array declarations?
int number();
float average[];
double[] marks;
counter int[];
It is an error to catch the same type of exception in two different catch blocks associated with a particular try block.
True
False
Submit button always fires doPost(...)
True
False
JSP files creates ________________
html files
html files and java files
java files and class files
None of the above.
Which exception is thrown by the read() method of InputStream class?
IOException
FileNotFoundException
ReadException
None 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