37 lines
1.5 KiB
Kotlin
37 lines
1.5 KiB
Kotlin
// version 1.0.6
|
|
|
|
fun main(args: Array<String>) {
|
|
val fruits = setOf("apple", "pear", "orange", "banana")
|
|
println("fruits : $fruits")
|
|
val fruits2 = setOf("melon", "orange", "lemon", "gooseberry")
|
|
println("fruits2 : $fruits2\n")
|
|
|
|
println("fruits contains 'banana' : ${"banana" in fruits}")
|
|
println("fruits2 contains 'elderberry' : ${"elderbury" in fruits2}\n")
|
|
|
|
println("Union : ${fruits.union(fruits2)}")
|
|
println("Intersection : ${fruits.intersect(fruits2)}")
|
|
println("Difference : ${fruits.minus(fruits2)}\n")
|
|
|
|
println("fruits2 is a subset of fruits : ${fruits.containsAll(fruits2)}\n")
|
|
val fruits3 = fruits
|
|
println("fruits3 : $fruits3\n")
|
|
var areEqual = fruits.containsAll(fruits2) && fruits3.containsAll(fruits)
|
|
println("fruits2 and fruits are equal : $areEqual")
|
|
areEqual = fruits.containsAll(fruits3) && fruits3.containsAll(fruits)
|
|
println("fruits3 and fruits are equal : $areEqual\n")
|
|
|
|
val fruits4 = setOf("apple", "orange")
|
|
println("fruits4 : $fruits4\n")
|
|
var isProperSubset = fruits.containsAll(fruits3) && !fruits3.containsAll(fruits)
|
|
println("fruits3 is a proper subset of fruits : $isProperSubset")
|
|
isProperSubset = fruits.containsAll(fruits4) && !fruits4.containsAll(fruits)
|
|
println("fruits4 is a proper subset of fruits : $isProperSubset\n")
|
|
|
|
val fruits5 = mutableSetOf("cherry", "blueberry", "raspberry")
|
|
println("fruits5 : $fruits5\n")
|
|
fruits5 += "guava"
|
|
println("fruits5 + 'guava' : $fruits5")
|
|
println("fruits5 - 'cherry' : ${fruits5 - "cherry"}")
|
|
}
|