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‘Core Java’ Category

  1. Java Thread By Implementing Runnable Interface

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    October 11, 2017 by admin

    A Thread can be created by extending Thread class also. But Java allows only one class to extend, it wont …
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  2. Difference between throw and throws in Exception handling

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    May 19, 2014 by admin

    Main difference between throw and throws is in there usage and functionality. where throws is used in method signature to declare Exception possibly thrown by …
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  3. Difference between Static and Dynamic binding in Java

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    May 7, 2014 by admin

    Difference between Static and Dynamic binding in Java: Difference between static and dynamic binding is a popular Java programming interview question which tries to …
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  4. How to use Singleton Class ?

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    March 2, 2014 by admin

    The Singleton’s purpose is to control object creation, limiting the number of obejcts to one only. Since there is only …
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  5. Difference between Thread vs Runnable interface in Java

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    February 27, 2014 by admin

    Difference between Thread vs Runnable interface in Java Thread vs Runnable in Java is always been a confusing decision for beginners  in java. Thread in …
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  6. Difference Between Method Overloading and Method Overriding

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    February 23, 2014 by admin

    What is Method Overloading and Overriding in Java – Example Differences Tutorial What is method overloading and overriding in Java  …
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  7. Important links related to code java interview questions and answers

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    February 17, 2014 by admin

    http://www.javatechinfo.com/2013/06/oracle-java-interview-questions-and.html Oops concepts :- http://www.w3resource.com/java-tutorial/java-object-oriented-programming.php   in which case we need abstract class and interface ? http://www.thecoldsun.com/en/content/01-2009/abstract-classes-and-interfaces Real Time example …
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  8. What is the difference between JDBC and ODBC?

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    February 13, 2014 by admin

    a) OBDC is for Microsoft and JDBC is for Java applications. b) ODBC can’t be directly used with Java because …
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  9. Java Programming Coding Interview Questions Answers for programmers

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    December 10, 2013 by admin

    Prime Numbers  Here is a complete Java programs which accepts a number from the user, checks if the number is …
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  10. Difference between Set, List and Map

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    December 10, 2013 by admin

    Difference between Set, List and Map Set, List and Map are three important interface of Java collection framework and Difference …
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  11. Java Collections

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    December 10, 2013 by admin

    The Java Collections API’s provide Java developers with a set of classes and interfaces that makes it easier to handle …
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  12. Difference Between String , StringBuilder and StringBuffer Classes with Example : Java

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    December 10, 2013 by admin

    Today we are going to understand the difference betweenString , StringBuilder and StringBuffer . As you will find that there are …
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  13. Difference between instance class and local variables in Java

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    December 10, 2013 by admin

    Now let’s see difference between instance variable and local variable. local variables are local in scope and they are not visible …
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  14. Threading

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    October 10, 2013 by admin

    Java provides built-in support for multithreaded programming. A multithreaded program contains two or more parts that can run concurrently. Each part …
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  15. Core Java Interview Question and Answers

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    September 23, 2013 by admin

    http://java67.blogspot.in/2012/10/java-interview-questions-for-2-to-3-4-years-experienced.html http://www.javatpoint.com/corejava-interview-questions-4#collectioninterview Q1)What is the o/p of following program?public class Widening1 {public void f1(Object o1){ System.out.println(“Inside f1 with object as …
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