How do you do case sensitive comparison in Java?

Yes, contains is case sensitive . You can use java.

Comparing strings in a case insensitive manner means to compare them without taking care of the uppercase and lowercase letters. To perform this operation the most preferred method is to use either toUpperCase() or toLowerCase() function . toUpperCase() function: The str.

As you can see that the output is not zero, which means that compareTo() method is case sensitive . However we do have a case insensitive compare method in string class, which is compareToIgnoreCase(), this method ignores the case while comparing two strings.

Case sensitive string comparison in Java.

Java String equalsIgnoreCase() Method The equalsIgnoreCase() method compares two strings, ignoring lower case and upper case differences. This method returns true if the strings are equal, and false if not. Tip: Use the compareToIgnoreCase() method to compare two strings lexicographically, ignoring case differences.