Detect if a package is available : Package « Reflection « Java Tutorial

1. Java Tutorial
2. Reflection
3. Package

public class Main{

  public static void  main(String args[]) {
    System.out.println(isAvailable("javax.swing.JComponent"));
  }

  public static boolean isAvailable(String className) {
    boolean isFound = false;
    try {
       Class.forName(className, false, null);
       isFound = true;
    }
    catch (ClassNotFoundException e) {
       isFound = false;
    }
    return isFound;
  }
}