package com.anntie.server;

public class Config {
	public static final String HELLO_MESSAGE = "Welocome to Secure Chat Server!";
	public static final int HISTORY_LENGHT = 50;
	public static final String SERVER_NAME = "SERVER";
	public static final int PORT = 25576;
}

package com.anntie.server;

public class Config {
	public static final String HELLO_MESSAGE = "Welcome to Secure Chat Server!";
	public static final int HISTORY_LENGHT = 50;
	public static final String SERVER_NAME = "SERVER";
	public static final int PORT = 25576;
}

Update Config.java