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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Q. Which of these methods is not defined in both Byte and Short wrappers?

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Q. Which of these methods of Character wrapper can be used to obtain the char value contained in Character object.

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Q. Which of the following constant are defined in Character wrapper?

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Q. Which of these is a super class of Character wrapper?

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Q. Which of these methods is used to know whether a given Character object is part of Java’s Identifiers?

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Q. Which of these coding techniques is used by method isDefined()?

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Q. Which of these methods of Boolean wrapper returns boolean equivalent of an object.

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Q. Which of the following constant are defined in Boolean wrapper?

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Q. Which of these methods return string equivalent of Boolean object?

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Q. Which of these methods is used to know whether a string contains “true”?

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