Player Events

package Main;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.scoreboard.DisplaySlot;
import org.bukkit.scoreboard.Objective;
import org.bukkit.scoreboard.Score;
import org.bukkit.scoreboard.Scoreboard;
import org.bukkit.scoreboard.ScoreboardManager;

import net.md_5.bungee.api.ChatColor;

public class PlayerEvents implements Listener{
	@EventHandler(priority = EventPriority.HIGHEST)
    public void onBlockBreak(BlockBreakEvent event){
        event.setCancelled(true);
	}
	@EventHandler
    public void onHit(EntityDamageEvent event){
        if (event.getEntity() instanceof Player){
            event.setCancelled(true);}
    }
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onBlockPlace(BlockPlaceEvent event){
            event.setCancelled(true);

           Player p = event.getPlayer();
           setupScoreboard(p);
    }
    public void setupScoreboard(Player p) {
    	ScoreboardManager sm = Bukkit.getScoreboardManager();
    	Scoreboard onJoin = sm.getNewScoreboard();
    	Objective o = onJoin.registerNewObjective("dash", "dummy");

    	o.setDisplaySlot(DisplaySlot.SIDEBAR);
    	o.setDisplayName(ChatColor.DARK_RED + "" + ChatColor.BOLD + "HCMC" + ChatColor.GOLD + "" + ChatColor.BOLD + "Network");

    	Score spacer = null;
    	Score nameTitle = null;
    	Score name = null;
    	Score spacer2 = null;

    	try {
    		spacer = o.getScore("LOL");
    		spacer.setScore(4);

    		nameTitle = o.getScore(ChatColor.DARK_BLUE + "");
    		nameTitle.setScore(3);
    		name = o.getScore(p.getName());
    		name.setScore(2);
    		spacer2= o.getScore(ChatColor.DARK_BLUE + "");
    		spacer2.setScore(1);

    		p.setScoreboard(onJoin);
    	} catch (Exception ex) {
    		System.out.println(ex);
    	}
	}
}