Core Java - Interview Questions and Answers for 'Println' | Search Java Interview Question

Core Java - Interview Questions and Answers for 'Println' - 6 question(s) found - Order By Newest

Q1. Explain System.out.println ?

^{2016-11-25 09:37:08}

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}

Q2. What is the difference between System.console.write and System.out.println ?

^{Admin
info@buggybread.com}

Ans. System.console() returns null if your application is not run in a terminal (though you can handle this in your application)System.console() provides methods for reading password without echoing charactersSystem.out and System.err use the default platform encoding, while the Console class output methods use the console encoding

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

_{Like Discuss Correct / Improve java system class system.out.println system.console.write input output java6 intermediate rare}

Q3. What is the difference between out.println(a+b); and out.println (a+" " +b); in Java? with a=2 and b=1

Core Java

^{Admin
info@buggybread.com}

Ans. First will give the ouput as 3 and the second will give output as 2 1

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

_{Like Discuss Correct / Improve java system.out.println coding}

Q4. What is the difference between print() and println() in Java ?

^{2016-07-18 11:12:34}

Ans. print method prints the argument passed to the method whereas println prints the argument and then prints the new line character. println is generally used if we want each output in a new line.

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

_{Like Discuss Correct / Improve print println}

Q5. Difference between System.out.printf and System.out.println ?

Core Java

^{2016-11-25 09:38:09}

Ans. println prints an additional end of line whereas printf doesnt.

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 printf}

Q6. What is out in System.out.println ?

Core Java

a. out is static inner class

b. out is the reference for static inner class object

c. out is the static reference to OutputStream object

d. out is the static reference to PrintStream object

Ans.d. out is the static reference to PrintStream object

Search Interview Questions

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