Q. What is JVM?

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Q. Which one of the following is a class loader?

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Q. Which class loader loads jar files from JDK directory?

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Q. Which of the following is not a memory classification in java?

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Q. What is the Java 8 update of PermGen?

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Q. Classes and Methods are stored in which space?

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Q. Where is String Pool stored?

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Q. The same import package/class be called twice in java?

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Q. Which of these exceptions handles the situations when an illegal argument is used to invoke a method?

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Q. Which of these exceptions will be thrown if we declare an array with negative size?

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Q. Which of these packages contain all the Java’s built in exceptions?

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Q. Which of these exceptions will be thrown if we use null reference for an arithmetic operation?

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Q. Which of these class is used to create user defined exception?

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Q. Which of these class provides various types of rounding functions?

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Q. Which of these methods return a smallest whole number greater than or equal to variable X?

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Q. Which of these method returns a largest whole number less than or equal to variable X?

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Q. Which of function return absolute value of a variable?

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Q. Which of these methods of Byte wrapper can be used to obtain Byte object from a string?

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Q. Which of the following methods Byte wrapper return the value as a double?

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Q. Which of these is a super class of wrappers Byte and short wrappers?

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