add basic filter function in kotlin

kotlin/Program3/README.md

@@ -0,0 +1 @@
+Write a program to filter number from list in kotlin

kotlin/Program3/filterList.kt

@@ -0,0 +1,19 @@
+fun main(args: Array<String>) {
+    println("Basic Filter List Function")
+    val numbers = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
+    val odd = numbers.filter { it % 2 != 0 }
+    val even = numbers.filter { it % 2 == 0 }
+    val moreThan10 = numbers.filter { it > 10 }
+
+    println("odd: $odd")
+    println("even: $even")
+    println("moreThan10: $moreThan10")
+
+    val listDay= listOf("Senin","Selasa","Senin","Kamis","Jumat","Sabtu","Minggu")
+    val containsS = listDay.filter { it.contains("s") }
+    val equal = listDay.filter { it == "Selasa" }
+    val length = listDay.filter { it.length > 5 }
+    println("contains S: $containsS")
+    println("equal: $equal")
+    println("length: $length")
+}

kotlin/README.md

@@ -4,6 +4,7 @@
 | Program No.| Question |
 | ------- | ------ |
 | [Program-1](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/kotlin/Program1/pattern.kt) | Write a program to print half pyramid using ' * '
-| [Program-2](https://github.com/swaaz/basicprograms/blob/814a1e60ae23d81158d8174666f23c9b7419e15e/kotlin/Program2/extension.kt) | Q2. Write a program to plus and minus with sample of extension function from kotlin
+| [Program-2](https://github.com/swaaz/basicprograms/blob/master/kotlin/Program2/extension.kt) | Q2. Write a program to plus and minus with sample of extension function from kotlin
+| [Program-3](https://github.com/swaaz/basicprograms/blob/master/kotlin/Program3/filterList.kt) | Write a program to filter number from list in kotlin
 
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