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 can we write our own arraylist without using collections? |
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What is bean. Where it can be used? |
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What is the interface of thread? |
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What is the use of Servlets |
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What class is the top of the AWT event hierarchy? |
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Does garbage collection guarantee that a program will not run out of memory? |
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We know that Object class is super class of every class & a class extends only one class. so how is it possible to a class to extend other than Object class? |
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What is the purpose of a statement block? | 
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How an Hashtable can change the iterator? Can a HashMap change the iterator? |
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How to invoke the primitive types within object in arraylist? |
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Why are the methods of the Math class static? |
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What is Socket. How will you create a connection? |
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What are wrapper classes |
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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 a Scrollbar and a ScrollPane? |
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What is the ResourceBundle class? |
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How single threaded model works after implementation in class, basically architecture point of view. |
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What is the webserver used for running the Servlets? |
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What about protecting static variable state? If you have static methods that change the static variable state, can you still use synchronization? |
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What is the immediate superclass of the Dialog class? |
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