Join Our Email Alerts-Subscribe
Important Note:Login & Check Your Email Inbox and Activate Confirmation Link



Enter Your Email :

Copyright Disclaimer:
Section 107 of the Copyright Act Fair Use Contents .
We are forwarding content link(s) from our website to content website & We are not serving any contents.
Main Source:Google.com.All the Content PDF link(s) is/are obtained from GoogleSearch
for the purpose of Education & Teaching Intention. Not for commercial purpose.
Technicalsymposium.com is not liable/responsible for any copyright issues.

Placement Materials & Answers-Free Download


Software Companies Placement Papers-GlobalLogic-Free Download

What is the output of the following code when compiled and run? Select two correct answers.

public class Question01 {

public static void main(String[] args){

int y=0; //line 1

int x=z=1; //line 2

System.out.println(y+","+x+","+z); //line 3

}

}

A. Prints 0,1,1

B. Error during compilation at line 1

C. Prints 0,0,1

D. Error during compilation at line 3

E. Error during compilation at line 2

Question 2. Select three correct statements.

A. The garbage collection thread cannot outlive the last user thread.

B. The garbage collection can be forced by invoking System.gc().

C. The garbage collection thread is a non-deamon thread.

D. The finalize() method is invoked at most once by the JVM for any given object.

E. The finalize() method may resurrect the object upon which it has been invoked.

What is the output of the following code when compiled and run? Select one correct answer.

import java.io.*;

public class Question05 {

public static void main(String[] args) {

Question05Sub myref = new Question05Sub();

try{

myref.test();

}catch(IOException ioe){}

}

void test() throws IOException{

System.out.println("In Question05");

throw new IOException();

}

}

class Question05Sub extends Question05 {

void test()throws IOException {

System.out.println("In Question05Sub");

}

}

A. Prints:

In Question05Sub

B. Prints:

In Question05

C. Prints:

In Question05

In Question05Sub

D. Prints:

In Question05Sub

In Question05

E. The code does not compile.

Select two correct statements about the code given below?

class A{}

class B extends A implements E{} //line 1

class C extends A{}

class D extends B{}

interface E{}

public class Question07 {

public static void main(String[] args) {

A a = new D(); //line 2

C c = new C(); //line 3

E e = (E)a; //line 4

B b = (B)e; //line 5

}

}

A. The code compiles without error and runs fine.

B. Compilation error on line 1 because interface E is not yet declared (forward-referencing).

C. Compilation error on line 4 because class A does not implement interface E.

D. The cast on line 4 is mandatory.

E. The cast on line 5 is not mandatory.

How many objects are eligible for garbage collection immediately after line 1? Select one correct answer.

public class Question08 {

public static void main(String[] args) {

Question08 q08 = new Question08();

q08.doSomething(); //line 1

Thread.sleep(20000);

}

public void doSomething(){

Object[] objArray = new Object[2];

for(int i=0;i

objArray[i] = new Object();

}

}

}

A. 0

B. 1

C. 2

D. 3

E. 4

What is the output of the following code when compiled and run? Select one correct answer.

public class Question09 {

public static void main(String[] args) {

try {

int i = (int)(Math.random()*10);

if(i<=5)

System.out.println("i = "+i);

else

throw new Exception("i > 5");

} catch (Exception e){

System.err.println(e.getMessage()+" (i="+i+")");

}

}

}

A. The output cannot be determined.

B. Compilation error.

C. An exception is thrown at runtime.

D. Output is i = 2

E. Output is i > 5 (i=6)

What is the output of the following code when compiled and run? Select one correct answer.

public class Question10 {

public static void main(String[] args) {

new Question10().doSomething();

}

public void doSomething(){

int i=5;

Thread t = new Thread(new Runnable(){

public void run(){

for(int j=0;j<=i;j++){

System.out.print(" "+j);

}

}

});

t.start();

}

}

A. Prints 0 1 2 3 4

B. Compilation error.

C. No output.

D. IllegalThreadStateException is thrown at runtime.

E. Prints 0 1 2 3 4 5

What is the output of the following code when compiled and run? Select one correct answer.

public class Question11 {

public static void main(String[] args) {

StringBuffer buf1 = new StringBuffer("Hello W");

addSomeStuff(buf1);

System.out.println(buf1.toString());

}

public static void addSomeStuff(StringBuffer buf){

StringBuffer b = buf.replace(6,10,"orld");

System.out.println(b.delete(0,1).toString());

}

}

A. Prints Hello World Hello World

B. Prints Hello orld Hello orld

C. Prints Hello orld ello orld

D. Prints ello orld ello orld

E. Compilation error.



What is the output of the following code when compiled and run? Select two correct answers. (Note: when an instance of a Vector is printed, its content appear between square brackets [])

import java.util.*;

public class Question13 {

public static void main(String[] args) {

Vector col = new Vector();

col.add(new Integer(1));

col.add(new Integer("2"));

col.add(new Float(3.2d)); //line 1

col.add(col.elementAt(1));

col.setElementAt(col.elementAt(2),0);

System.out.println(col);

}

}

A. Compilation error on line 1.

B. Only line 1 won't compile.

C. The code compiles and runs fine.

D. Prints [3.2, 2, 3.2, 2]

E. Prints [1, 2, 3.2, 2]

Select three correct statements.

A. A static method may override another static method.

B. A static method cannot override a non-static method.

C. A non-static method cannot override a static method.

D. A non-static method may be overloaded by a static method.

E. A synchronized method cannot be overridden.

Source: Contents are provided by Technicalsymposium Google Group Members.
Disclaimer: All the above contents are provided by technicalsymposium.com Google Group members.
Further, this content is not intended to be used for commercial purpose. Technicalsymposium.com is not liable/responsible for any copyright issues.

Placement Papers & Answers PDF-Download



Aptitude & Placement Papers & Answers PDF



Technicalsymposium.com-All Study Materials PDF-Free Download







Technicalsymposium.com-Free Live Support-Chat with Our Experts

Official Contact: +91-9245556793 (Whatsapp Message / SMS / Voice Call)


Our Expert team is ready to answer all your questions immediately-Feel free to speak in Tamil/English.

(Example:Events info/Lecture Notes/Off-Campus & All Jobs/Projects & All education information)

Working hrs (IST): (Morning: 10:00AM-3:00 PM) and (Evening:5:00 PM to 10:00 PM)

All Latest Question & Answer Page (FAQ)-Click here