Thus, we might make the method return a string. To do this, we change the word “void” for the type of variable we want to return, and we add “return value ” at the end of the method.

Get a deep dive into using method references in your Java programs, including stream operations, ... The toUpperCase() method can be invoked on an instance of String and return another String.

How to printf a Java String. To use the Java String printf method to format output text, follow these rules:. Use %s as the printf String specifier in the text string being formatted.; Use %S as the ...

Method and variable handles vs. Java reflection. To truly understand MethodHandles and VarHandles—what they do and why they are useful—it’s helpful to know a few things about reflection in ...

Use the Scanner’s next or nextLine() methods to convert user input into the appropriate type. Use the Java user input in your program. Java Scanner import example. Found in the java.util package, Java ...