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Digest #1769
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Sat May 18, 2013 9:02 pm (PDT) . Posted by:
"Aarti Chabra" aarti.interview
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JAVA INTERVIEW QUESTIONS
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Java Interview Questions
* What is internationalisatio
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* What does the "abstract"
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* Why we can not override static method?
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* What is the difference between instanceof and isInstance?
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* Which Java operator is right associative?
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* Is java a fully object oriented programming or not? if not why?
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* How can we write our own arraylist without using collections?
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* Addition of two numbers using Bitwise operators.
Reading An 2D array using single for loop
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* What is package? Define with example?
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* What is the difference between length and length() ?
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* Which class is extended by all other classes?
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* How will you pass values from HTML page to the Servlet?
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* Can we serialize the static variable?
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* How will you perform transaction using JDBC
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* What is the difference between an if statement and a switch statement?
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* Explain working of Java Virtual Machine(JVM)
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* Meaning - Abstract classes, abstract methods
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* Explain Garbage collection mechanism in Java
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* What is difference between & and && in java
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* What is the default size of vector and StringBuffer?
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* Why java is not pure object oriented language?
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* Given A = 1, B = 2, C = 3, D = 4 …… Z = 26, write a java standalone
program to encode the word "TELEPHONE" into numbers.
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* What is the difference between interface and abstract class ?
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* What is the difference between List, Set and Map
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* What is Weak reference and Soft reference in java?
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* What is cohesion and coupling in java?
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* can we declare multiple main() methods in multiple classes.ie can we have each main method in its class in our program?
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* What is the difference between Java and J2EE? Is J2EE advanced version of Java?
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* What is Singleton class?
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* what is skeleton in java or J2EE??????
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* Access specifiers: "public"
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* Explain RMI Architecture?
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* What is the difference between the Font and FontMetrics classes?
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* What are the main differences between Java and C++?
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* Explain Java security model
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* Can we override Thread's run() method?
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* Have you ever used HashTable and Dictionary?
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* What is the difference between exception and error?
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* Can I execute or call one applet from another applet? If so then how??? Please Reply me...
Thanks
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* can the main() method be overloaded? or overrided? and what happens when we do so?
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