31. |
Which of the following are incorrect form of StringBuffer class constructor?
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Answer:
Option (d) |
32. |
Which of these class is superclass of String and StringBuffer class?
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Answer:
Option (b) |
33. |
Which of these operators can be used to concatenate two or more String objects?
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Answer:
Option (a) |
34. |
Which of these method of class String is used to extract a single character from a String object?
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Answer:
Option (c) |
35. |
Which of these constructors is used to create an empty String object?
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Answer:
Option (a) |
36. |
Which of these is an incorrect statement?
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Answer:
Option (c) |
37. |
Which of these method of class String is used to compare two String objects for their equality?
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Answer:
Option (a) |
38. |
Which of these methods is used to compare a specific region inside a string with another specific region in another string?
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Answer:
Option (d) |
39. |
Which of these methods of class String is used to check whether a given object starts with a particular string literal?
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Answer:
Option (a) |
40. |
What is the value returned by function compareTo() if the invoking string is less than the string compared?
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Answer:
Option (b) |