Q. Which of the following statement is correct?

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Q. Which of these method of class StringBuffer is used to find the length of current character sequence?

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Q. Which of this method of class StringBuffer is used to concatenate the string representation to the end of invoking string?

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Q. Which of these class is used to create an object whose character sequence is mutable?

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Q. Which of the following statement is correct?

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Q. What is the value returned by function compareTo() if the invoking string is greater than the string compared?

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Q. Which of these method of class String is used to remove leading and trailing whitespaces?

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Q. Which of this method of class String is used to extract a substring from a String object?

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Q. Which of these data type value is returned by equals() method of String class?

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Q. 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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Q. 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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Q. Which of these method of class String is used to compare two String objects for their equality?

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Q. Which of these method of class String is used to extract more than one character at a time a String object?

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Q. Which of these is an incorrect statement?

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Q. Which of these method of class String is used to extract a single character from a String object?

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Q. Which of this method of class String is used to obtain a length of String object?

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Q. Which of these class is superclass of String and StringBuffer class?

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