Java String charAt()

The java stringcharAt() method returns a char value at the given index number. The index number starts from 0. It returns StringIndexOutOfBoundsException if given index number is greater than this string or negative index number.


The signature or syntax of string trim method is given below:

public char charAt(int index)


index : index number, starts with 0


char value

Specified by

CharSequence interface


StringIndexOutOfBoundsException : if index is negative value or greater than this string length.

Java String charAt() method example

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StringIndexOutOfBoundsException with charAt()

Let's see the example of charAt() method where we are passing greater index value. In such case, it throws StringIndexOutOfBoundsException at run time.

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