exceptions - Catching Any Exception

We can create a handler that catches any type of exception by catching the base-class exception type Exception. 

// exceptions/ExceptionMethods.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Demonstrating the Exception Methods

public class ExceptionMethods {
  public static void main(String[] args) {
    try {
      throw new Exception("My Exception");
    } catch (Exception e) {
      System.out.println("Caught Exception");
      System.out.println("getMessage():" + e.getMessage());
      System.out.println("getLocalizedMessage():" + e.getLocalizedMessage()); // note this output
      System.out.println("toString():" + e); // Throwable Instance Method
      System.out.println("printStackTrace():");
      e.printStackTrace(System.out);
    }
  }
}
/* My Output:
Caught Exception
getMessage():My Exception
getLocalizedMessage():My Exception
toString():java.lang.Exception: My Exception
printStackTrace():
java.lang.Exception: My Exception
        at ExceptionMethods.main(ExceptionMethods.java:10)
*/

Throwable class's two methods source code:
    /**
     * Creates a localized description of this throwable.
     * Subclasses may override this method in order to produce a
     * locale-specific message.  For subclasses that do not override this
     * method, the default implementation returns the same result as
     * {@code getMessage()}.
     *
     * @return  The localized description of this throwable.
     * @since   JDK1.1
     */
    public String getLocalizedMessage() {
        return getMessage();
    }

    /**
     * Returns a short description of this throwable.
     * The result is the concatenation of:
     * <ul>
     * <li> the {@linkplain Class#getName() name} of the class of this object
     * <li> ": " (a colon and a space)
     * <li> the result of invoking this object's {@link #getLocalizedMessage}
     *      method
     * </ul>
     * If {@code getLocalizedMessage} returns {@code null}, then just
     * the class name is returned.
     *
     * @return a string representation of this throwable.
     */
    public String toString() {
        String s = getClass().getName();
        String message = getLocalizedMessage();
        return (message != null) ? (s + ": " + message) : s;
    }

references:

1. On Java 8 - Bruce Eckel

2. https://github.com/wangbingfeng/OnJava8-Examples/blob/master/exceptions/ExceptionMethods.java

3. http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/classes/java/lang/Throwable.java