How do you check how many characters there are in Java?

Java has an inbuilt method called length() to find the number of characters of any String. int length(); where length() is a method to find the number of characters and returns the result as an integer.

Check If a String Contains Multiple Keywords in Java

Use String contains() Method to Check if a String Contains Character. Java String’s contains() method checks for a particular sequence of characters present within a string. This method returns true if the specified character sequence is present within the string, otherwise, it returns false .11 Eki 2020

There are three methods for checking if a JavaScript string contains another character or sequence of characters: