Letter appears in console output, but shouldn’t. problem with Bukkit.getConsoleSender().sendMessage();

I’m trying to split code in classes. This code is sending to console text with B letter in start of line, but shouldn’t.

Code:

static ConsoleWrapper cw = new ConsoleWrapper();
cw.notify("using url:" + database.sql_url);
cw.notify("Plugin loaded!");

in ConsoleWrapper.java

public class ConsoleWrapper {
    static String pluginName = App.pluginName;
    static ConsoleCommandSender console = Bukkit.getConsoleSender();

    public void notify(String msg) {
        // wrapper for console messages
        console.sendMessage(("§6[" + pluginName + "]" + msg));
    }
    
    public void alarm(String msg) {
        // wrapper for console messages
        console.sendMessage(("§c[" + pluginName + "]" + msg));
    }
}

but if console.sendMessage(("§c[" + pluginName + "]" + msg)); executing in main class, letter B doesn’t appeat in console.

output with cw.notify

[12:01:07 INFO]: В[EggCounter] Plugin is starting first time, or restoring!
[12:01:08 INFO]: В[EggCounter]using url:jdbc:MYSQL://192.168.0.186:9889/easter_eggs

output with console.sendMessage()

[12:13:21 INFO]: [EggCounter]using url:jdbc:MYSQL://192.168.0.186:9889/easter_eggs
[12:13:21 INFO]: [EggCounter]Plugin loaded!

Answer

It’s not recommended to write your own § because of possible encoding problem.

Prefer use ChatColor enum, like that:

public class ConsoleWrapper {
    static String pluginName = App.pluginName;
    static ConsoleCommandSender console = Bukkit.getConsoleSender();

    public void notify(String msg) {
        // wrapper for console messages
        console.sendMessage(ChatColor.GOLD + "[" + pluginName + "]" + msg);
    }
    
    public void alarm(String msg) {
        // wrapper for console messages
        console.sendMessage(ChatColor.RED + "[" + pluginName + "]" + msg);
    }
}

You can find all color codes here.