Q. If we try to add Enum constants to a TreeSet, what sorting order will it use?

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Q. Which method returns the elements of Enum class?

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Q. Which class does all the Enums extend?

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Q. Are enums are type-safe?

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Q. Which of the following is the advantage of BigDecimal over double?

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Q. Which of the below data type doesn’t support overloaded methods for +,-,* and /?

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Q. What is the base of BigDecimal data type?

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Q. What is the limitation of toString() method of BigDecimal?

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Q. Which of the following is not provided by BigDecimal?

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Q. BigDecimal is a part of which package?

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Q. What is BigDecimal.ONE?

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Q. Which class is a library of functions to perform arithmetic operations of BigInteger and BigDecimal?

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Q. Which of these is long data type literal?

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Q. Which of these can be returned by the operator &?

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Q. Literals in java must be appended by which of these?

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Q. Literal can be of which of these data types?

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Q. Which of these can not be used for a variable name in Java?

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Q. Which of these is necessary condition for automatic type conversion in Java?

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Q. What is the prototype of the default constructor of this class?

public class prototype { }

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Q. If an expression contains double, int, float, long, then the whole expression will be promoted into which of these data types?

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