Below we have listed all the Java Interview Questions and answers. Feel free to comment on any Java Interview Questions or answer by the comment feature available on the page.
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Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. Java is a programming language expressly designed for use in the distributed environment of the Internet. It was designed to have the "look and feel" of the C++ language, but it is simpler to use than C++ and enforces an object-oriented programming model.
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How do i upload a file from client side to server side using servlet and jsp this will happen when I click upload button on web-page? |
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What is the difference between Vector, Array and Arraylist? |
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What is the difference between Applet and japplet? What are the traverses in binary tree? Write down how will you create a Binary tree? What is constructor and virtual function? Can we call a virtual function in a constructor? give example. |
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How many times may an object's finalize() method be invoked by the garbage collector? |
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How single threaded model works after implementation in class, basically architecture point of view. |
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Is a class a subclass of itself? | 
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How to make a class or a bean serializable? |
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Which class is extended by all other classes? |
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What are the primitive types in Java? |
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What is the difference between a Choice and a List? |
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I want to store more than 10 objects in a remote server. Which methodology will you follow? |
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What is the difference between a MenuItem and a CheckboxMenuItem? |
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Why single inheritance cannot be use in java/why we alwayz use multiple inheritances? |
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How to access Blob and Clob data values from oracle thru java? |
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What is the difference between RMI & Corba? |
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What is the difference between Delegation event model and Inheritance event model? |
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How can we take various inputs from user as int,char,string,float etc ? |
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What is the Dictionary class? |
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How to call a COM object within java? |
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What method must be implemented by all threads? |
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