import all classes : import « Class Definition « Java Tutorial

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Java Tutorial » Class Definition » import 
5. 30. 3. import all classes

You can import all classes in the same package by using the wild character *. For example, the following code imports all members of the java.io package.

import java.io.*;

public class Demo {
    //...
}

However, to make your code more readable, it is recommended that you import a package member one at a time.

import java.io.File;
import java.io.FileReader;
5. 30. import
5. 30. 1. Importing Other Classes
5. 30. 2. import statements
5. 30. 3. import all classes
5. 30. 4. fully qualified name
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