Is Findindex case-sensitive?

Java is a case-sensitive language , which means that the upper or lower case of letters in your Java programs matter.

Java String charAt() Method Examples

Yes, it is case-sensitive . You can do a case-insensitive indexOf by converting your String and the String parameter both to upper-case before searching.

The charAt() method returns the character at the specified index in a string . The index of the first character is 0, the second character is 1, and so on.