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Meaning - Abstract classes, abstract methods
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can the main() method be overloaded? or overrided? and what happens when we do so?
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What is Serialization and deserialization? |
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What is the difference between a static and a non-static inner class? |
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Difference between Applet and JApplet
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What is a tagged interface?
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How to communicate 2 threads each other
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When does the compiler supply a default constructor for a class? |
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What is the return type of a program's main() method? |
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what are the other ways to prevent a class from being subclassed.one way is to declare the class final. does declaring a class private prevent it from being subclassed?
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What is the difference between an Inner Class and a Sub-Class? |
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What is meant by cookies? Explain. |
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What is JDBC. How do you connect to the Database? |
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java does not support multiple inheritance because different classes may have different variable with same name that may be contradicted and can cause confusions resulting in errors.Java supports it through the interfaces.A class can extend one class and can implement more than one interfaces also.those interfaces may have variables with same names.Wont they create confusion?
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What is the purpose of the System class? |
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What state does a thread enter when it terminates its processing? |
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Tell me the differences between enumeration and iteration?Which can use where in realtime?
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What is the relationship between the Canvas class and the Graphics class? |
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What method is used to specify a container's layout? |
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Which on is best string or string buffer?which one is mutable and immutable?
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