Java Data Type Tutorial - Java Package.isSealed(URL url)

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Syntax

Package.isSealed(URL url) has the following syntax.

public boolean isSealed(URL url)

Example

In the following code shows how to use Package.isSealed(URL url) method.

//w  ww.ja  v a2  s.  c om
import java.net.MalformedURLException;
import java.net.URL;


public class Main {

   public static void main(String[] args) {
      try {
         // get the java lang package
         Package pack = Package.getPackage("java.lang");

         // check if this package is sealed
         URL url = new URL("http://www.oracle.com");
         System.out.println("" + pack.isSealed(url));
      } catch (MalformedURLException ex) {
         ex.printStackTrace();
      }

   }
}

The code above generates the following result.

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