java_interop.md

java_interop.md

Type Hints

Aliases

Clojure provides aliases for a large number of built-in Java types. For example, you can hint an Integer with ^int instead of ^Integer. This is particularly useful for arrays, whose class names contain special characters (e.g. the type of (int-array []) is [I).

• int - A java.lang.Integer
• ints - An Integer array
• long - A java.lang.Long
• longs - A Long array
• float - A java.lang.Float
• floats - A Float array
• double - A java.lang.Double
• doubles - A Double array
• void - A java.lang.Void
• short - A java.lang.Short
• shorts - A Short` array
• boolean - A java.lang.Boolean
• booleans - A Boolean array
• byte - A java.lang.Byte
• bytes - A Byte array
• char - A java.lang.Character
• chars - A Character array