I don't understand what does java.util. mean - Stack Overflow
The statement java.util.*; imports all of the java.util package members so that you don't have to use a package member's fully qualified name. According to the JavaDocs here the package java.util …
What is a util in Java? - Stack Overflow
The java.util package contains classes which although they aren't a "must" for working with java (like the java.lang package, they provide functionality for common usecases which are often encountered.
Is java.util a package or a library? - Stack Overflow
Nov 6, 2015 · According to Java documentation, java.util is a package and part of Java class library: A package is a namespace that organizes a set of related classes and interfaces.
Package in Java - Stack Overflow
Jul 24, 2010 · There are all neatly organized into the same package, so that programmers can easily reference them (import java.util.*;). Easy Application: Let's assume that we can find all the files to a …
Why importing java.util.* is not enough to import stream?
Jul 19, 2021 · The above import statement will import all the Classes inside the java.util package not the sub-package i.e java.util.stream ,So in order to import it, you need to have import statement like
IntelliJ IDEA + JDK 21 issue with java.util.concurrent package ...
Jan 5, 2023 · 17 I have an issue when I am trying to use TimeUnit class from java.util.concurrent. It happens with Oracle JDK 21.0.1 (configurations are below) + IntelliJ IDEA 2023.1.5 (Community …
Why doesn't importing java.util.* include Arrays and Lists?
Sep 1, 2017 · import java.util.*; import java.util.List; import java.util.Arrays; becomes apparent when the code refers to some other List or Arrays (for example, in the same package, or also imported …
why autoimport only java.lang package? - Stack Overflow
Jan 19, 2013 · For example, java.util package which is only used when Collection classes are needed. While in every program Collection classes are not used while basic datatypes are essential for every …
Difference between java.util.Scanner and java.util.Scanner.*
Apr 12, 2014 · What would the statement import java.util.Scanner.* do then? In this case there would be a compilation error, since the package java.util.Scanner would collide with the type java.util.Scanner.
Where are the Java System Packages stored? - Stack Overflow
Aug 6, 2009 · 5 Assuming you mean the packages that include the class libraries like java.lang.* and java.util.*, these live in the "lib" directory under wherever your Java Runtime Environment (JRE) is …