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

Related MCQs

• Given the following declarations String s1=new String("Hello") ; String s2=new String("there"); String s3=new String(); Which of the following are legal operations?
• Which of these method of class String is used to obtain length of String object?
• Which of this method of class String is used to obtain a length of String object?
• Which of these class is used to create an object whose character sequence is mutable?
• Which of these class is used to create an object whose character sequence is mutable?.
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• Which of these method of class StringBuffer is used to find the length of current character sequence?
• Which of these is used to access member of class before object of that class is created?
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• String constants are said to be_____ of string class.