Rabab Ahmad

lambdaCollections/src/Main.kt

@@ -0,0 +1,47 @@
+import java.awt.geom.AffineTransform
+
+fun main() {
+
+    val numbers = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+
+    val doubleNum = numbers.map{numbers -> numbers * 2}
+    println(doubleNum)
+
+    val names = mutableListOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David")
+
+    val filterNames = names.filter { it.startsWith("A") }
+    println(filterNames)
+
+    val words = listOf("apple", "banana", "kiwi", "strawberry", "grape")
+
+    val descendingWords = words.sortedByDescending { it.length }
+    println(descendingWords)
+
+    val greaterThanFive = customFilter(numbers) { it > 5 }
+    println("Numbers greater than 5: $greaterThanFive")
+
+    val evenNumbers = customFilter(numbers) { it % 2 == 0 }
+    println("Numbers even: $evenNumbers")
+
+    val multipleOf3 = customFilter(numbers) { it % 3 == 0 }
+println("Numbers multiple of 3: $multipleOf3")
+
+    val processNum = processNumbers(numbers, { it % 2 != 0 }, {it*it})
+    println(processNum)
+
+    val processNewNum = processNumbers(numbers, { it <= 6 }, {it*2})
+    println(processNewNum)
+
+}
+
+fun customFilter(numbers: List<Int>, filter: (Int) -> Boolean): List<Int> {
+    return numbers.filter { filter(it) }
+}
+fun processNumbers(numbers: List<Int>, filter: (Int) -> Boolean, transform: (Int) -> Int): List<Int> {
+
+    val filterOddNumbers = numbers.filter(filter)
+
+    return filterOddNumbers.map(transform)
+
+}
+