diff --git a/core-kotlin-2/src/main/com/baeldung/range/CharRange.kt b/core-kotlin-2/src/main/com/baeldung/range/CharRange.kt new file mode 100644 index 0000000000..3151674d61 --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/CharRange.kt @@ -0,0 +1,13 @@ +package com.baeldung.range + +fun main(args: Array) { + + for (ch in 'a'..'f') { + print(ch) + } + println() + + for (ch in 'f' downTo 'a') { + print(ch) + } +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/Filter.kt b/core-kotlin-2/src/main/com/baeldung/range/Filter.kt new file mode 100644 index 0000000000..0e611b14cf --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/Filter.kt @@ -0,0 +1,18 @@ +package com.baeldung.range + +fun main(args: Array) { + val r = 1..10 + + //Apply filter + val f = r.filter { it -> it % 2 == 0 } + println(f) + + //Map + val m = r.map { it -> it * it } + println(m) + + //Reduce + val rdc = r.reduce { a, b -> a + b } + println(rdc) + +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/FirstLast.kt b/core-kotlin-2/src/main/com/baeldung/range/FirstLast.kt new file mode 100644 index 0000000000..b82f5a8b9b --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/FirstLast.kt @@ -0,0 +1,8 @@ +package com.baeldung.range + +fun main(args: Array) { + + println((1..9).first) + println((1..9 step 2).step) + println((3..9).reversed().last) +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/OtherRangeFunctions.kt b/core-kotlin-2/src/main/com/baeldung/range/OtherRangeFunctions.kt new file mode 100644 index 0000000000..19dcab89b2 --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/OtherRangeFunctions.kt @@ -0,0 +1,14 @@ +package com.baeldung.range + +fun main(args: Array) { + + val r = 1..20 + println(r.min()) + println(r.max()) + println(r.sum()) + println(r.average()) + println(r.count()) + + val repeated = listOf(1, 1, 2, 4, 4, 6, 10) + println(repeated.distinct()) +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/Range.kt b/core-kotlin-2/src/main/com/baeldung/range/Range.kt new file mode 100644 index 0000000000..c313181599 --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/Range.kt @@ -0,0 +1,28 @@ +package com.baeldung.range + +fun main(args: Array) { + + for (i in 1..9) { + print(i) + } + println() + + for (i in 9 downTo 1) { + print(i) + } + println() + + for (i in 1.rangeTo(9)) { + print(i) + } + println() + + for (i in 9.downTo(1)) { + print(i) + } + println() + + for (i in 1 until 9) { + print(i) + } +} diff --git a/core-kotlin-2/src/main/com/baeldung/range/ReverseRange.kt b/core-kotlin-2/src/main/com/baeldung/range/ReverseRange.kt new file mode 100644 index 0000000000..875cf62200 --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/ReverseRange.kt @@ -0,0 +1,14 @@ +package com.baeldung.range + +fun main(args: Array) { + + (1..9).reversed().forEach { + print(it) + } + + println() + + (1..9).reversed().step(3).forEach { + print(it) + } +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/Step.kt b/core-kotlin-2/src/main/com/baeldung/range/Step.kt new file mode 100644 index 0000000000..b9c5d48588 --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/Step.kt @@ -0,0 +1,15 @@ +package com.baeldung.range + +fun main(args: Array) { + + for(i in 1..9 step 2){ + print(i) + } + + println() + + for (i in 9 downTo 1 step 2){ + print(i) + } + +} \ No newline at end of file diff --git a/core-kotlin-2/src/main/com/baeldung/range/UntilRange.kt b/core-kotlin-2/src/main/com/baeldung/range/UntilRange.kt new file mode 100644 index 0000000000..2c116a286f --- /dev/null +++ b/core-kotlin-2/src/main/com/baeldung/range/UntilRange.kt @@ -0,0 +1,8 @@ +package com.baeldung.range + +fun main(args: Array) { + + for (i in 1 until 9) { + print(i) + } +} \ No newline at end of file