Negative values show that it's less than the argument.īelow is a class for ordering versions that consist of the major and the minor part. Positive values show that the receiver object is greater. compareTo() must take another object of the same type as an argument and return an integer value showing which object is greater: This requires implementing the compareTo() function. To define a natural order for a user-defined type, make the type an implementer of Comparable. Numeric types use the traditional numerical order: 1 is greater than 0 -3.4f is greater than -5f, and so on.Ĭhar and String use the lexicographical order: b is greater than a world is greater than hello. In Kotlin, we have special functions to create arrays of primitive types: val bytes byteArrayOf ( 42 ) val shorts shortArrayOf ( 42 ) val ints intArrayOf ( 42 ) val longs longArrayOf ( 42 ) val floats floatArrayOf ( 42.0f ) val doubles doubleArrayOf ( 42. Kotlin Program to Convert List (ArrayList) to Array and Vice-Versa Courses Tutorials Examples Kotlin Program to Convert List (ArrayList) to Array and Vice-Versa In this program, youll learn to convert a list to an array using toArray () and array to list using asList () in Kotlin. Natural order is used for sorting them when no other order is specified. It is defined for implementations of the Comparable interface. In Kotlin, the orders of objects can be defined in several ways.įirst, there is natural order. For example, two lists of the same elements are not equal if their elements are ordered differently.
The order of elements is an important aspect of certain collection types.
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