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.

Add a long inside a text String. The easiest way to convert a long to a String is to append it to double quote. However, for complex output where a long must be embedded in a Java String, use the ...

Behind the scenes, when you write String::toUpperCase, Java binds each element of the stream (String object) to the toUpperCase() method. This means String::toUpperCase is interpreted as s -> s ...

How use Java printf to format a double’s decimals. To use Java printf to format double and float values with decimal place precision, follow these two rules:. Use %f as the double specifier in the ...