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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What is the datatypes in java? |
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What is it object serialization? |
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What is the webserver used for running the Servlets? |
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what happens if we execute the program? class Return{ int display(){ try{ return 1; } finally{ return 2; } } public static void main(String args[]){ Return r=new Return(); r.display(); } } |
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What are the various Collection classes available? |
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How does multithreading take place on a computer with a single CPU |
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What invokes a thread's run() method? |
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What is synchronization and why is it important? |
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What class is the top of the AWT event hierarchy? | 
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What is the difference between classpath and path variable? |
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What is the use of Interface? |
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How many JVM's we can run in a system? |
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What interface is extended by AWT event listeners? |
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Whether private,protected method can be overloaded,overrided or not?Tell me reason? |
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How can you achieve Multiple Inheritance in Java? |
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What is serilization and deserilization |
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How are the elements of a GridBagLayout organized? |
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Which Math method is used to calculate the absolute value of a number? |
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What are the various access modifiers in Java. Differences between them? |
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What is the difference between Vector, Array and Arraylist? |
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