import java.net.*; public class DatagramPacket_SetLength_1 { public static void main(String[] args) { byte[] buffer = new byte[5]; DatagramPacket packet1 = new DatagramPacket(buffer, 5); packet1.setLength(5); try { packet1.setLength(6); } catch (IllegalArgumentException e) { } DatagramPacket packet2 = new DatagramPacket(buffer, 1, 4); packet2.setLength(4); try { packet2.setLength(5); } catch (IllegalArgumentException e) { } } }