FreeRPG hooked Drops

if (hookedEntity.getType() == EntityType.BLAZE) {
            drop.setType(Material.BLAZE_ROD);
            increaseStats.changeEXP("fishing",800);
        } else if (hookedEntity.getType() == EntityType.GHAST) {
            double randomNum = rand.nextDouble();
            if (randomNum < .5) {
                drop.setType(Material.GHAST_TEAR);
            } else {
                drop.setType(Material.GUNPOWDER);
            }
            increaseStats.changeEXP("fishing",800);
        } else if (hookedEntity.getType() == EntityType.ZOMBIFIED_PIGLIN) {
            double randomNum = rand.nextDouble();
            if (randomNum < .5) {
                drop.setType(Material.ROTTEN_FLESH);
            } else {
                drop.setType(Material.GOLD_NUGGET);
            }
            increaseStats.changeEXP("fishing",800);
        } else if (hookedEntity.getType() == EntityType.ZOMBIE) {
            double randomNum = rand.nextDouble();
            if (randomNum < .98) {
                drop.setType(Material.ROTTEN_FLESH);
            } else {
                drop.setType(Material.ZOMBIE_HEAD);
            }
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.SPIDER) {
            double randomNum = rand.nextDouble();
            if (randomNum < .5) {
                drop.setType(Material.STRING);
            } else {
                drop.setType(Material.SPIDER_EYE);
            }
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.CAVE_SPIDER) {
            double randomNum = rand.nextDouble();
            if (randomNum < .49) {
                drop.setType(Material.STRING);
            } else if (randomNum < .98) {
                drop.setType(Material.SPIDER_EYE);
            } else if (randomNum < .99) {
                drop.setType(Material.SPLASH_POTION);
                PotionMeta pm = (PotionMeta) drop.getItemMeta();
                assert pm != null;
                pm.addCustomEffect(new PotionEffect(PotionEffectType.POISON, 15, 0), false);
                pm.setDisplayName(ChatColor.YELLOW + "Splash Potion of Poison");
                drop.setItemMeta(pm);

            } else {
                drop.setType(Material.COBWEB);
            }
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.PIG) {
            drop.setType(Material.PORKCHOP);
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.CHICKEN) {
            double randomNum = rand.nextDouble();
            if (randomNum < .33) {
                drop.setType(Material.EGG);
            } else if (randomNum > .66) {
                drop.setType(Material.CHICKEN);
            } else {
                drop.setType(Material.FEATHER);
            }
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.CREEPER) {
            double randomNum = rand.nextDouble();
            if (randomNum < .99) {
                drop.setType(Material.GUNPOWDER);
            } else {
                drop.setType(Material.CREEPER_HEAD);
            }
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.SKELETON) {
            double randomNum = rand.nextDouble();
            if (randomNum < .49) {
                drop.setType(Material.BONE);
            } else if (randomNum < .98) {
                drop.setType(Material.ARROW);
                drop.setAmount(rand.nextInt(3) + 1);
            } else {
                drop.setType(Material.SKELETON_SKULL);
            }
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.WITHER_SKELETON) {
            double randomNum = rand.nextDouble();
            if (randomNum < .50) {
                drop.setType(Material.BONE);
            } else if (randomNum < .99) {
                drop.setType(Material.COAL);
                drop.setAmount(rand.nextInt(3) + 1);
            } else {
                drop.setType(Material.WITHER_SKELETON_SKULL);
            }
            increaseStats.changeEXP("fishing",120);
        } else if (hookedEntity.getType() == EntityType.SLIME) {
            drop.setType(Material.SLIME_BALL);
            increaseStats.changeEXP("fishing",800);
        } else if (hookedEntity.getType() == EntityType.MAGMA_CUBE) {
            drop.setType(Material.MAGMA_CREAM);
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.COW) {
            double randomNum = rand.nextDouble();
            if (randomNum < .49) {
                drop.setType(Material.LEATHER);
            } else if (randomNum < .98) {
                drop.setType(Material.BEEF);
            } else {
                drop.setType(Material.MILK_BUCKET);
            }
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.MUSHROOM_COW) {
            double randomNum = rand.nextDouble();
            if (randomNum < .05) {
                drop.setType(Material.MILK_BUCKET);
            } else if (randomNum < 0.10) {
                drop.setType(Material.MUSHROOM_STEW);
            } else if (randomNum < 0.40) {
                drop.setType(Material.LEATHER);
            } else if (randomNum < 0.70) {
                drop.setType(Material.BEEF);
            } else {
                drop.setType(Material.RED_MUSHROOM);
                drop.setAmount(rand.nextInt(3) + 1);
            }
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.ENDERMAN) {
            drop.setType(Material.ENDER_PEARL);
            increaseStats.changeEXP("fishing",1000);
        } else if (hookedEntity.getType() == EntityType.SHEEP) {
            drop.setType(Material.WHITE_WOOL);
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.IRON_GOLEM) {
            double randomNum = rand.nextDouble();
            if (randomNum < .03) {
                drop.setType(Material.PUMPKIN);
            } else if (randomNum < 0.15) {
                drop.setType(Material.IRON_INGOT);
            } else {
                drop.setType(Material.POPPY);
            }
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.SNOWMAN) {
            double randomNum = rand.nextDouble();
            if (randomNum < .03) {
                drop.setType(Material.PUMPKIN);
            } else {
                drop.setType(Material.SNOWBALL);
            }
            increaseStats.changeEXP("fishing",600);
        } else if (hookedEntity.getType() == EntityType.WITCH) {
            double randomNum = rand.nextDouble();
            if (randomNum < 0.01) {
                drop.setType(Material.SPLASH_POTION);
                PotionMeta pm = (PotionMeta) drop.getItemMeta();
                assert pm != null;
                pm.addCustomEffect(new PotionEffect(PotionEffectType.HEAL, 15, 0), false);
                pm.setDisplayName(ChatColor.YELLOW + "Splash Potion of Healing");
                drop.setItemMeta(pm);
            } else if (randomNum < 0.02) {
                drop.setType(Material.SPLASH_POTION);
                PotionMeta pm = (PotionMeta) drop.getItemMeta();
                assert pm != null;
                pm.addCustomEffect(new PotionEffect(PotionEffectType.FIRE_RESISTANCE, 15, 0), false);
                pm.setDisplayName(ChatColor.YELLOW + "Splash Potion of Fire Resistance");
                drop.setItemMeta(pm);
            } else if (randomNum < 0.03) {
                drop.setType(Material.SPLASH_POTION);
                PotionMeta pm = (PotionMeta) drop.getItemMeta();
                assert pm != null;
                pm.addCustomEffect(new PotionEffect(PotionEffectType.SPEED, 15, 0), false);
                pm.setDisplayName(ChatColor.YELLOW + "Splash Potion of Speed");
                drop.setItemMeta(pm);
            } else if (randomNum < 0.12) {
                drop.setType(Material.GLASS_BOTTLE);
            } else if (randomNum < 0.24) {
                drop.setType(Material.SUGAR);
            } else if (randomNum < 0.36) {
                drop.setType(Material.SPIDER_EYE);
            } else if (randomNum < 0.48) {
                drop.setType(Material.GUNPOWDER);
            } else if (randomNum < 0.61) {
                drop.setType(Material.FERMENTED_SPIDER_EYE);
            } else if (randomNum < 0.74) {
                drop.setType(Material.GLOWSTONE_DUST);
            } else if (randomNum < 0.87) {
                drop.setType(Material.REDSTONE);
            } else {
                drop.setType(Material.STICK);
            }
            increaseStats.changeEXP("fishing",1200);
        } else if (hookedEntity.getType() == EntityType.SHULKER) {
            double randomNum = rand.nextDouble();
            if (randomNum < .25) {
                drop.setType(Material.SHULKER_SHELL);
            } else {
                drop.setType(Material.PURPUR_BLOCK);
            }
            increaseStats.changeEXP("fishing",800);
        }