The correct order of the declarations in a Java program is,
Anonymous Quiz
59%
Package declaration, import statement, class declaration
19%
Import statement, package declaration, class declaration
15%
Import statement, class declaration, package declaration
7%
Class declaration, import statement, package declaration
0%
Class declaration, package declaration, import statement
An overloaded method consists of,
Anonymous Quiz
19%
(a) The same method name with different types of parameters
19%
(b) The same method name with different number of parameters
16%
(c) The same method name and same number and type of parameters with different return type
39%
(d) Both (a) and (b) above
6%
(e) (a), (b) and (c) above.
A protected member can be accessed in,
Anonymous Quiz
23%
a subclass of the same package
13%
a non-subclass of the same package
16%
a non-subclass of different package
23%
a subclass of different package
26%
the same class.
What is the output of the following code:
class eq
{ public static void main(String args[]) { String s1 = “Hello”; String s2 = new String(s1); System.out.println(s1==s2); } }
class eq
{ public static void main(String args[]) { String s1 = “Hello”; String s2 = new String(s1); System.out.println(s1==s2); } }
Anonymous Quiz
35%
true
53%
false
12%
0
0%
1
All exception types are subclasses of the built-in class
Anonymous Quiz
31%
Exception
23%
RuntimeException
6%
Error
40%
Throwable
When an overridden method is called from within a subclass, it will always refer to the version of that
method defined by the
method defined by the
Anonymous Quiz
33%
Super class
53%
Subclass
13%
Compiler will choose randomly
0%
Interpreter will choose randomly
Mark the incorrect statement from the following:
Anonymous Quiz
29%
Java is fully object oriented language with strong support for proper software engineering technique
6%
In java it is not easy to write C-like so called procedural programs
16%
In java language objects have to be manipulated
13%
In java language error processing is built into the language
35%
Java is not a language for internet programming.
In java, objects are passed as
Anonymous Quiz
28%
Copy of that object
28%
Method called call by value
17%
Memory address
3%
Default constructor.
25%
Constructor
Which of the following is not a component of Java Integrated Development Environment (IDE)?
Anonymous Quiz
14%
Net Beans
29%
Borland’s Jbuilder
25%
Symantec’s Visual Café
14%
Microsoft Visual Fox Pro
18%
Microsoft Visual J++.
Identify, from among the following, the incorrect variable name(s).
Anonymous Quiz
4%
_theButton
23%
$reallyBigNumber
54%
2ndName
12%
CurrentWeatherStateofplanet
8%
my2ndFont
Consider the following Java program :
class IfStatement{
public static void main(String args[])
{
int a=2, b=3;
if (a==3)
if (b==3)
System.out.println("===============");
else
System.out.println("#################");
System.out.println("&&&&&&&&&&&");
}
}
Which of the following will the output be?
(a) ===============
(b) #################
&&&&&&&&&
(c) &&&&&&&&&&&
(d) ===============
#################
&&&&&&&&&&
(e) ################
class IfStatement{
public static void main(String args[])
{
int a=2, b=3;
if (a==3)
if (b==3)
System.out.println("===============");
else
System.out.println("#################");
System.out.println("&&&&&&&&&&&");
}
}
Which of the following will the output be?
(a) ===============
(b) #################
&&&&&&&&&
(c) &&&&&&&&&&&
(d) ===============
#################
&&&&&&&&&&
(e) ################
In operating system which of the following statement best describes the dispatch latency element that is available in time sharing systems?
Anonymous Quiz
16%
Time taken to switch from one thread to another thread
26%
Time taken to swap the process
26%
Time taken to submit and complete the process
32%
Time taken to terminate the process and initiate another process
In operating system which of the following statements about preemptive scheduling is correct
1)Resources are allocated to a process for a limited period
2)Processes cannot be interrupted until they are terminated
3)Overhead are not available in a process
4) Low Priority processes can starve
1)Resources are allocated to a process for a limited period
2)Processes cannot be interrupted until they are terminated
3)Overhead are not available in a process
4) Low Priority processes can starve
which of the following is not valid input for switch case?
Anonymous Quiz
0%
Int
47%
Long
16%
Char
38%
String
What is the superclass of all the exceptions and errors in java
Anonymous Quiz
29%
Exception
11%
RuntimeException
57%
Throwable
4%
CompileTimeException
public class Program
{
public static void main(String[] args) {int x=0,y=0; for(int j=0;j<5;j++){ if((++x>2)||(++y>2)){ System.out.println("y = "+y); x++; } } System.out.println(x+" "+y); } }
{
public static void main(String[] args) {int x=0,y=0; for(int j=0;j<5;j++){ if((++x>2)||(++y>2)){ System.out.println("y = "+y); x++; } } System.out.println(x+" "+y); } }
Anonymous Quiz
26%
8,2
37%
8,3
21%
5,3
16%
8,5