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
Correct Answer :
B. False
Related Questions
Objects are passed to a method by use of call-by-reference.
True
False
The concept of multiple inheritance is implemented in Java by
extending two or more classes
extending one class and implementing one or more interfaces
all the above
It is perfectly legal to assign a subclass object to a supper class reference.
True
False
When present, package must be the first no comment statement in the file.
True
False
The use of protected keyword to a member in a class will restrict its visibility as follows:
Visibility only in the class and its subclasses in the same package.
Visibility only inside the same package.
Visibility in all classes in the same package and subclasses in other packages.
Visibility only in the class where it is declared.
Which of the following represent legal flow control statements?
break;
break();
continue(inner);
all of the above
Members of a class specified as private are accessible only to the methods of the class.
True
False
The check box group class is a subclass of the component class.
True
False
JSP files creates ________________
html files
html files and java files
java files and class files
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
Which of the following statements are true?
An abstract class may not have any final methods?
A final class may not have any abstracts methods.
Transient variables must be static.
all of the above
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
Servlet has ___________
init method
doGet(------) method
All of the above methods.
If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
True
False
When the string objects are compared with ==, the result is true If the strings contain the same values.
True
False
We can add more than one class(es) at the time of compilation Java Beans.
True.
False.
A constructor must always invoke its supper class constructor in its first statement.
True
False
What is error in the following class definitions?
abstract class xy {
abstract sum(int x, int y) {
}
}
abstract sum(int x, int y) {
}
}
class header is not define properly
constructor is no defined
method is not defined properly
no error
DataInput is
An abstract class defined is java.io.
A class we can use to read primitive data types.
An interface that defines methods to open files.
An interface that defines methods to read primitive data types.
It is an error if a class with one or more abstract methods is not explicitly declared abstract.
True
False
One the features of is that an array can store many different types of values.
True
False
If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an <applet> tags?
number=getParameter(99)
<number==99>
<param = radius value ==99>
The import statement is always the first no comment statement in a Java program files.
True
False
Which javadoc tag is used to denote a comment for methods parameters?
@method
@parameter
@argument
@param
With javadoc, which of the following denotes a javadoc comment?
//#
/*
/**
//**
All the bitwise operators have the same level of precedence in Java.
True
False
Which of the following will produce a value of 10 if x = 9.7?
floor(x)
abs(x)
rint(x)
round(x)
Servlet can have ___________
get method and post method
get method or post method
Either of the above
The name of a Java program file must match the name of the class with the extension Java.
True
False
Java always provides a default constructor to a class.
True
False