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 …

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.

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.

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 …

Mar 6, 2014 · 3 There are no hard and fast rules about what would appear in a util package. To quote the javadoc java.util contains the collections framework, legacy collection classes, event model, date …

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 …

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

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 …

Apr 6, 2011 · I think what you are trying to ask is how to use Arrays in java. In which case you don't import java.util.Arrays, you use the array syntax.

Dec 30, 2017 · Maybe you wanted to import java.util.stream.*;? To the actual question: If we import with a wildcard, that is the asterisk (*) character, only the direct classes in this package will be imported, …