Package-access members of a class are accessible by other classes in the same package. - Java Object Oriented Design

Java examples for Object Oriented Design:Access Level

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Description

Package-access members of a class are accessible by other classes in the same package.

Demo Code

public class Main 
{
   public static void main(String[] args)
   {/*from w w  w.  j a  v a 2  s .c om*/
      PackageData packageData = new PackageData();

      // output String representation of packageData 
      System.out.printf("After instantiation:%n%s%n", packageData);

      // change package access data in packageData object
      packageData.number = 77;     
      packageData.string = "Goodbye";

      // output String representation of packageData
      System.out.printf("%nAfter changing values:%n%s%n", packageData);
   } 
} 

// class with package access instance variables
class PackageData 
{
   int number; // package-access instance variable
   String string; // package-access instance variable

   // constructor
   public PackageData() 
   { 
      number = 0; 
      string = "Hello";
   } 

   // return PackageData object String representation
   public String toString() 
   {
      return String.format("number: %d; string: %s", number, string);
   } 
}

Result


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