java--StringBuffer

public final class StringBuffer
    extends AbstractStringBuilder
    implements java.io.Serializable, CharSequence
{ 

private synchronized void writeObject(java.io.ObjectOutputStream s)

        throws java.io.IOException {
        java.io.ObjectOutputStream.PutField fields = s.putFields();
        fields.put("value", value);
        fields.put("count", count);
        fields.put("shared", false);
        s.writeFields();
    }

    /**
     * readObject is called to restore the state of the StringBuffer from
     * a stream.
     */
    private void readObject(java.io.ObjectInputStream s)
        throws java.io.IOException, ClassNotFoundException {
        java.io.ObjectInputStream.GetField fields = s.readFields();
        value = (char[])fields.get("value", null);
        count = fields.get("count", 0);

    }

}

其餘的方法都是繼承了它的父類，並且方法是public synchronized +返回值類型+方法名