Kotlin Getter and Setter

BetterZhang · Jun 29, 2017 · 54493e2 · 54493e2
1 parent 3536106
commit 54493e2
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/src/com/betterzhang/learnkotlin/kotlin/KotlinGetterAndSetter.kt b/src/com/betterzhang/learnkotlin/kotlin/KotlinGetterAndSetter.kt
@@ -0,0 +1,34 @@
+package com.betterzhang.learnkotlin.kotlin
+
+import java.util.*
+
+/**
+ * Created by IntelliJ IDEA.
+ * Author : Andrew Zhang
+ * Email  : betterzhang.dev@gmail.com
+ * Time   : 2017/06/29 下午 5:20
+ * Desc   : Kotlin Getter and Setter
+ */
+class KotlinGetterAndSetter {
+
+    var x: Int = 0
+        set(value) {field = value}
+        get() = field
+
+    var y: Int = 0
+        set(value) {
+            var date = Calendar.getInstance().apply {
+                set(2017, 2, 18)
+            }
+            if (System.currentTimeMillis() < date.timeInMillis) {
+                println("Cannot be set before 2017.3.18")
+            } else {
+                field = value
+            }
+        }
+        get() {
+            println("Get field y: $field")
+            return field
+        }
+
+}