Static & Bridge examples

src/_01_extensions/intro.kt

@@ -0,0 +1,9 @@
+package _01_intro
+
+fun main(args: Array<String>) {
+    println("abc".last())
+}
+
+fun String.last(): Char {
+    return this[length - 1]
+}

src/_02_bridges/default.kt

@@ -0,0 +1,15 @@
+package _02_bridges
+
+fun foo(
+    a: Int,
+    b: String = "default",
+    c: String? = null
+) {
+    println(a)
+    println(b)
+    println(c)
+}
+
+fun main(args: Array<String>) {
+    foo(1)
+}

src/_02_bridges/defaultInClasses.kt

@@ -0,0 +1,11 @@
+package _02_bridges
+
+abstract class WithDefault {
+    abstract fun foo(a: Int = 1)
+}
+
+class ChildWithDefault: WithDefault() {
+    override fun foo(a: Int) {
+        println(a)
+    }
+}

src/_02_bridges/java/Base.java

@@ -0,0 +1,5 @@
+package _02_bridges.java;
+
+public class Base<T> {
+    T foo(T t) { return t; }
+}

src/_02_bridges/java/Child.java

@@ -0,0 +1,8 @@
+package _02_bridges.java;
+
+public class Child extends Base<Integer> {
+    @Override
+    Integer foo(Integer s) {
+        return s;
+    }
+}

src/_02_bridges/traits.kt

@@ -0,0 +1,9 @@
+package _02_bridges
+
+trait Trait {
+    fun foo() {}
+}
+
+class C: Trait {
+
+}