# If statements

If statements are very useful, however they do open a section. And opening sections means nesting, which isn't always ideal. To avoid nesting when applicable, you can change numerous if statements into multiple conditions, or an if all.

{% hint style="info" %}
See the [Checks page](/syntask/limiters/conditionals.md) for information about conditions and if alls.
{% endhint %}

Here's a few examples:

{% code overflow="wrap" lineNumbers="true" %}

```java
on place of diamond ore:
  if (type of player's helemt) = diamond helemet:
    if (type of player's chestplate) = diamond chestplate:
      if (type of player's leggings) = diamond leggings:
        if (type of player's boots) = diamond boots:
          drop (1 of diamond) at event-location

        else:
          send "You are not wearing a complete set of diamond armour!" to player
      else:
        send "You are not wearing a complete set of diamond armour!" to player
    else:
      send "You are not wearing a complete set of diamond armour!" to player
  else:
    send "You are not wearing a complete set of diamond armour!" to player
```

{% endcode %}

Here, the main piece of code is nested in five levels, which is a little ridiculous. You can convert nested if statements like this into an if all:

{% code overflow="wrap" lineNumbers="true" %}

```java
on place of diamond ore:
  if all:
    (type of player's helemt) = diamond helemet
    (type of player's chestplate) = diamond chestplate
    (type of player's leggings) = diamond leggings
    (type of player's boots) = diamond boots
  then:
    drop (1 of diamond) at event-location

  else:
    send "You are not wearing a complete set of diamond armour!" to player
```

{% endcode %}

If you don't need an else after this, you can also just use plain conditions:

{% code overflow="wrap" lineNumbers="true" %}

```java
on place of diamond ore:
  (type of player's helemt) = diamond helemet
  (type of player's chestplate) = diamond chestplate
  (type of player's leggings) = diamond leggings
  (type of player's boots) = diamond boots
  drop (1 of diamond) at event-location
```

{% endcode %}

{% hint style="info" %}
Guard clauses are also a handy style of if statements to employ, check out the [Guard Clauses page](https://x8ight.gitbook.io/syntask/conventions/never-nesting/guard-clauses) for more.
{% endhint %}


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