Are chars case sensitive in java?

The comparison is “case- sensitive” meaning that the char ‘A’ is considered to be different from the char ‘a’ . There is a variant of equals() called equalsIgnoreCase() that compares two strings, ignoring uppercase/lowercase differences. The Java String class implement many useful methods.

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Is charAt in the string class?

The Java String class charAt() method returns a char value at the given index number . The index number starts from 0 and goes to n-1, where n is the length of the string. It returns StringIndexOutOfBoundsException, if the given index number is greater than or equal to this string length or a negative number.

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