Core java - Interview Questions and Answers for 'Covansys' | Search Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com

Search Interview Questions


 More than 3000 questions in repository.
 There are more than 900 unanswered questions.
Click here and help us by providing the answer.
 Have a video suggestion.
Click Correct / Improve and please let us know.
Label / Company      Label / Company / Text

   



Core java - Interview Questions and Answers for 'Covansys' - 1 question(s) found - Order By Newest

 Q1. Explain System.out.println ?Core Java
Ans. System is a class within java.lang package that contains several useful class fields and methods. It cannot be instantiated and hence can use only statically.even in this case this has been used statically i.e with class name itself and without creating an instance.

out is the static reference of Printstream declared as following in the System Class -

public final static PrintStream out = null;

println is the method of PrintStream class.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     System class  Streams  Input Output  println     Asked in 1 Companies      basic        frequent


Related Questions

  What are various types of Class loaders used by JVM ?
  What is a Deadlock ?
  What is the difference between time slicing and preemptive scheduling ?
  Difference between Process and Thread ?
  Which of the following syntax is correct ?import static java.lang.System.*;or static import java.lang.System.*;
 What will happen if we call perform(null) ?

public void perform(Object obj) {
System.out.println("Object");
}

public void perform(Integer int) {
System.out.println("Integer");
}
 What will be the output of following code ?

System.out.println((int)'a');
 What will be the output of

System.out.println((Integer)'a');
  What are the difference between Threads and Processes ?



Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked: