a proplem

how to solve that i have a proplem here :

Code:

plugin.yml:
name: Plugin
version: 0.1
main: minecraft.plugin.source.Main
author: BaconBoi

commands:
    gm1:
      usage: /gm1
      description: gamemode 1
     gm2:
      usage: /gm2
      description: gamemode 2
    gm3:
      usage: /gm3
      description: gamemode 3
    gm4:
      usage: /gm4
      description: gamemode 4
    gv1:
      usage: /gv1
      description: gravity true
    gv2:
      usage: /gv2
      description: gravity false

its the first plugin
and the java:

Code:

package minecraft.plugin.source;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.GameMode;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin  {
  
    public void onEnable() {
    Bukkit.getServer().getConsoleSender().sendMessage(ChatColor.GREEN + "Plugin Plugin was Enabled");
    }
  
    public void onDisable() {                                                                      
    Bukkit.getServer().getConsoleSender().sendMessage(ChatColor.RED + "Plugin Plugin was Disabled");  
}
  
    public boolean onCommand(CommandSender sender, Command cmd, String commandlabel, String[] args) {
        Player p = (Player) sender;
      
        if(getName().equalsIgnoreCase("gm1")) {
          
            p.setGameMode(GameMode.CREATIVE);
            p.sendMessage(ChatColor.YELLOW + "Gamemode Updated");
            p.damage(3.1);
            p.toString().equals(getName());
      
          
        }
if(getName().equalsIgnoreCase("gm2")) {
            p.setGameMode(GameMode.SURVIVAL);
            p.sendMessage(ChatColor.YELLOW + "Gamemode Updated");
          
        }
if(getName().equalsIgnoreCase("gm3")) {
  
    p.setGameMode(GameMode.ADVENTURE);
    p.sendMessage(ChatColor.YELLOW + "Gamemode Updated");
}
if(getName().equalsIgnoreCase("gm4")) {
  
    p.setGameMode(GameMode.SPECTATOR);
    p.sendMessage(ChatColor.YELLOW + "Gamemode Updated");
}
if(getName().equalsIgnoreCase("gv1")) {
  
    p.setGravity(true);
    p.sendMessage(ChatColor.AQUA + "Gravity on");
  
}
if(getName().equalsIgnoreCase("gv2")) {
  
    p.setGravity(false);
    p.sendMessage(ChatColor.RED + "Gravity off");
  
}
    }
  
    }

 

@M7mD_G16 What's the problem? Do you get an error in the console or does it not do as intended?