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 difference between Process and Threads? | 
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After a thread is started, via its start() m? | 
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In RMI, is the server object first loaded into the memory and then the stub reference is sent to the client or a stub reference is directly sent to the client |
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What is the protocol used by server and client? |
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What is the difference between Vector, Array and Arraylist? |
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What happens when a thread cannot acquire a lock on an object? |
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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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What interface must an object implement before it can be written to a stream as an object? |
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What class of exceptions are generated by the Java run-time system? |
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How do you know the port number of the server program you want to talk to? |
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Is a class a subclass of itself? |
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Which class should you use to obtain design information about an object? |
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What restrictions are placed on the location of a package statement within asource code file? |
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What method is used to specify a container's layout? |
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Which arithmetic operations can result in the throwing of anArithmeticException? |
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What is the difference between Serializalble and Externalizable interface? |
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What is the difference between a Choice and a List? |
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In Execption handling What is exactly difference between throws and throw? |
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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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