List is a Java interface that describes a sequential collection of objects. ... Because the print() method parameter type is List<String>, this method’s implementation doesn’t have to change.

Types of strings in Java. Java distinguishes between primitive strings and object strings:. Primitive strings. These are string literals or string calls from a nonconstructor context. A constructor is ...

When developing Java applications, it is easy to get used to invoking logging on the provided logger via its log level-specific methods. For example, Log4j‘s Logger provides methods such as ...

Using Java’s String length method. To get the number of characters in a given piece of text, the Java String length() method is all you need. Just make sure the String is not null, and avoid any ...