BlockManager.java - Formatting is 'fixed'

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import net.minecraft.server.v1_8_R1.Block;
import net.minecraft.server.v1_8_R1.Blocks;
import net.minecraft.server.v1_8_R1.MinecraftKey;

public class BlockManager
{
    static void setFinalStatic(Class clazz, String fieldName, Object newValue)
    {
        try
        {
            Field field = clazz.getDeclaredField(fieldName);
            field.setAccessible(true);
            Field modifiers = field.getClass().getDeclaredField("modifiers");
            modifiers.setAccessible(true);
            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
            field.set(null, newValue);
        }
        catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException ex)
        {
            ex.printStackTrace(System.err);
        }
    }

    public static void startup()
    {
        NewTNT override = new NewTNT();
        MinecraftKey tntID = new MinecraftKey("tnt");


        Block.REGISTRY.a(46, tntID, override);
        setFinalStatic(Blocks.class, "TNT", override);

        System.out.println("Blocks class:");
        System.out.println(Blocks.TNT);

        System.out.println("Block Registry:");
        System.out.println(Block.REGISTRY.get(tntID));
    }
}