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 the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy? | 
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How can a dead thread be restarted? | 
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What is an Iterator interface? |
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What is innerclass |
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What is an RMI? |
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What is difference between string and stringtokenizer? |
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How can we emplement strutsframework using jsp or servlets. Tellme. |
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How will you communicate between two Applets? |
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How will you add panel to a Frame |
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can we declare multiple main() methods in multiple classes.ie can we have each main method in its class in our program? |
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What is class variables and instance variables? |
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Why single inheritance cannot be use in java/why we alwayz use multiple inheritances? |
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When a thread blocks on I/O, what state does it enter? |
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What is the difference between the >> and >>> operators? |
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What is JIT? Is it bundled with JDK? If so what is the role of interpreter(java)? plz explain in detail. |
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What is the difference between Process and Threads |
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What is the difference between the JDK 1.02 event model and the event delegation model introduced with JDK 1.1? |
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What are the various layouts available. What is the difference between them? |
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String class can be extendable? and why? |
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Can a Byte object be cast to a double value? |
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