Java String Class Methods The java.lang.String class provides a lot of built-in methods that are used to manipulate string in Java. By the help of these methods, we can perform operations on String ...

Java’s Scanner String input method. To take String input from the user with Java’s Scanner class, just follow these steps. Import java.util.*; to make Java’s Scanner class available; Use the new ...

This effectively turns the method into one that matches Function<String, String>, where the input String is the instance itself, and the output is the result of the toUpperCase() method.

Introduced in Java 6, Java’s System Console class provides two simple methods to obtain user input: readLine() readPassword() Java user input with readLine. The readLine() method takes user input ...