????????????javac -d . PackagedClass.java
???????????c05????к?PackagedClass.class???
//:Foreign.java
package c05.foreign;
import c05.*;
public class Foreign{
public static void main(String[] args){
PackagedClass pc = new PackagedClass();
}
}
???????? javac -d . Foreign.java

????Foreign.java ??????? ??????? PackagedClass??
?????? PackagedClass.java????????
//:PackagedClass.java
package c05;
public  class PackagedClass{
public PackagedClass(){
System.out.println("Creating a packaged class");
}
}
?????????? ?????
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