Java contains multiple characters

The contains() method of the String class accepts Sting value as a parameter, verifies whether the current String object contains the specified String and returns true if it does (else false) .11 Eki 2019

Note that string contains() method is case sensitive , so “abc”. contains(“A”); will return false . The argument of String contains() method is java. lang.

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

Java String contains Ignore Case

use toUpperCase() or toLowerCase() method of String class . Show activity on this post. You ignore case when you treat the data, not when you retrieve/store it. If you want to store everything in lowercase use String#toLowerCase, in uppercase use String#toUpperCase.