What is package protected in java?

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1.what is the exact difference between applet and frame? 2.Do we use main method in frames?

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Explain notifyall() method of object class ?

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Distinguish method overloading and method overriding

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Name the packages in JDK?

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What is a parameter used for?

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What is the range of a character variable?

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What is the difference between the direct buffer and non-direct buffer in java?

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How does multithreading take place on a computer with a single cpu?

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What is the main difference between java platform and other platforms?

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. Define Copy Constructor in Java

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Can a top level class be private or protected?

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