[JobsAssist] Java Interview Questions With Answers

 

JAVA INTERVIEW QUESTIONS Download Free Interview Questions eBook of 500 Questions  (If you do not have a Yahoo! account, you can get it by simply sending a blank email to CoolInterview-Subscribe@yahoogroups.com and confirm the verification email received. Once your email is confirmed, we will instantly send the download link to you.) Java Interview Questions What is internationalisation? How can you achieve in java?  http://www.coolinterview.com/interview/5380/  Why we can not override static method?  http://www.coolinterview.com/interview/10778/  What is the difference between instanceof and isInstance?  http://www.coolinterview.com/interview/377/  What is package? Define with example?  http://www.coolinterview.com/interview/15284/  What does the "abstract" keyword mean in front of a method? A class?  http://www.coolinterview.com/interview/383/  What is the difference between an if statement and a switch statement?  http://www.coolinterview.com/interview/474/  How will you pass values from HTML page to the Servlet?  http://www.coolinterview.com/interview/770/  Which Java operator is right associative?  http://www.coolinterview.com/interview/1164/  How can we write our own arraylist without using collections?  http://www.coolinterview.com/interview/5553/  Explain working of Java Virtual Machine(JVM).  http://www.coolinterview.com/interview/5652/  What is the difference between length and length() ?  http://www.coolinterview.com/interview/15169/  Is java a fully object oriented programming or not? if not why?  http://www.coolinterview.com/interview/5666/  Addition of two numbers using Bitwise operators. Reading An 2D array using single for loop  http://www.coolinterview.com/interview/12560/  Which class is extended by all other classes?  http://www.coolinterview.com/interview/1107/  What is the difference between List, Set and Map  http://www.coolinterview.com/interview/5362/  What is cohesion and coupling in java?  http://www.coolinterview.com/interview/16138/  Can we serialize the static variable?  http://www.coolinterview.com/interview/5527/  What is difference between & and && in java  http://www.coolinterview.com/interview/10787/  Why java is not pure object oriented language?  http://www.coolinterview.com/interview/12727/  How will you perform transaction using JDBC  http://www.coolinterview.com/interview/5281/  Meaning - Abstract classes, abstract methods  http://www.coolinterview.com/interview/5655/  Explain Garbage collection mechanism in Java  http://www.coolinterview.com/interview/5644/  What is Singleton class?  http://www.coolinterview.com/interview/841/  What is the default size of vector and StringBuffer?  http://www.coolinterview.com/interview/5153/  Given A = 1, B = 2, C = 3, D = 4 …… Z = 26, write a java standalone program to encode the word "TELEPHONE" into numbers.  http://www.coolinterview.com/interview/13436/  What is the difference between Java and J2EE? Is J2EE advanced version of Java?  http://www.coolinterview.com/interview/15081/  Access specifiers: "public", "protected", "private", nothing?  http://www.coolinterview.com/interview/442/  Explain RMI Architecture?  http://www.coolinterview.com/interview/781/  What is the difference between interface and abstract class ?  http://www.coolinterview.com/interview/28279/  What is Weak reference and Soft reference in java?  http://www.coolinterview.com/interview/5483/  can we declare multiple main() methods in multiple classes.ie can we have each main method in its class in our program?  http://www.coolinterview.com/interview/5714/  what is skeleton in java or J2EE??????  http://www.coolinterview.com/interview/11042/  What are the disadvantages of using threads?  http://www.coolinterview.com/interview/369/  What are the main differences between jdk1.4 , jdk1.5 & jdk1.6?  http://www.coolinterview.com/interview/15721/  Have you ever used HashTable and Dictionary?  http://www.coolinterview.com/interview/769/  Can I execute or call one applet from another applet? If so then how??? Please Reply me... Thanks  http://www.coolinterview.com/interview/12448/  can the main() method be overloaded? or overrided? and what happens when we do so?  http://www.coolinterview.com/interview/10781/  Can we override Thread's run() method?  http://www.coolinterview.com/interview/15851/  What are the main differences between Java and C++?  http://www.coolinterview.com/interview/459/  What is the difference between the Font and FontMetrics classes?  http://www.coolinterview.com/interview/579/  Explain Java security model  http://www.coolinterview.com/interview/5653/  What is the difference between InputStream/Outputstream classes?  http://www.coolinterview.com/interview/808/  What is the difference between exception and error?  http://www.coolinterview.com/interview/819/  What is the disadvantage of threads?  http://www.coolinterview.com/interview/10792/  What is the difference between concat and append?  http://www.coolinterview.com/interview/15168/  1)What are the actual functions of JVM? 2)When to use a class and when to use an Abstract class? 3)what is the use of constructors other than creation of objects? 4)when to use constructors? 5)when to use Interface? 6)why java does not support pointers? 7)why multiple inheritance is not possible in java without using Interfaces?  http://www.coolinterview.com/interview/12608/  How System.out.println() works?  http://www.coolinterview.com/interview/10782/  What is JDBC? Describe the steps needed to execute a SQL query using JDBC.  http://www.coolinterview.com/interview/443/  Explain Servlet and JSP life cycle  http://www.coolinterview.com/interview/5700/  How many different types of JDBC drivers are present? Discuss them.  http://www.coolinterview.com/interview/447/

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