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What are the trickiest Java questions?

Asked by Parini 06/12/2018 Last Modified 20/12/2018

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Learn Java +3 Java Script Training Java Programming Core Java

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What will be the output of the program? class s implements Runnable { int x, y; public void run() { for(int i = 0; i < 1000; i++) synchronized(this) { x = 12; y = 12; } System.out.print(x + " " + y + " "); } public static void main(String args[]) { s run = new s(); Thread t1 = new Thread(run); Thread t2 = new Thread(run); t1.start(); t2.start(); } } A. Dead Lock B.It print 12 12 12 12 C.Compilation Error D.Cannot determine output.

B. is the answer

Srikanth

0 0

Write a programme to replace the string without using replace command? This is my string. ..... s is replaced by th output is Thith ith my thtring

/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package logic; ...

Mithun

0 0

Who invented Java language?

James Gosling. You could have google it!!

Niranjan

0 0

Which book is good for groovy and grails

Beginning Groovy and Grails: From Novice to Professional by Jim Shingler (Author), Joseph Faisal Nusairat (Author), Christopher M Judd (Author)....

Sumit S.

0 0

Please suggest some books to self-learn Java at home?

For self learning the best book is Core Java written by Gary Cornell and Kay Horstmann. This book comes in 2 volumes and both are important to learn the subject from the ground up to the advanced level.

Sharmistha

1 0

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For any standard android application, below 3 components play important roles to show 1st interface to user, so that he/she can interact with the app. 1. Custom Application class : Intialize the components...

Gaurav Bansal

0 0

How to create excel sheets using Java?

HSSFWorkbook workbook = new HSSFWorkbook();HSSFSheet sheet1 = workbook.createSheet("actions");for (int i = 0; i < 10; i++) { sheet1.createRow(i); for (int j = 0; j < 10; j++) { HSSFRow currRow =...

Devendra V

1 0

Java

Java is a high level language which is far better than procedural languages like C, Fortran and Pascal. Java completely stands with the principles of OOPS (Object Oriented Programming Structure). The...

Abhisheak Saxena

0 0

On the Job training is always best

On the job training always provides an opportunity to learn the best industry practices. While you work on real time you would encounter many challenges that will force you to learn many new things. Class...

Murugadasan D

1 0

Crux Of The Basic Interview Question Asked Around It Professionals

Question: Explain PSVM() in Java. Answer: This question is asked from a differnet persctive. Person asking this question is looking for deep java concepts. If answer in your mind is something like...

Chinmay K.

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