✨ Introducing new features. ClassLoader

crossoverJie · crossoverJie · commit 5d6ebe6db937 · 2018-03-05T23:17:52.000+08:00
diff --git a/src/main/java/com/crossoverjie/classloader/ChildClass.java b/src/main/java/com/crossoverjie/classloader/ChildClass.java
@@ -0,0 +1,14 @@
+package com.crossoverjie.classloader;
+
+/**
+ * Function:
+ *
+ * @author crossoverJie
+ *         Date: 05/03/2018 23:11
+ * @since JDK 1.8
+ */
+public class ChildClass extends SuperClass {
+    static {
+        System.out.println("ChildClass init");
+    }
+}
diff --git a/src/main/java/com/crossoverjie/classloader/Main.java b/src/main/java/com/crossoverjie/classloader/Main.java
@@ -0,0 +1,14 @@
+package com.crossoverjie.classloader;
+
+/**
+ * Function:
+ *
+ * @author crossoverJie
+ *         Date: 05/03/2018 23:12
+ * @since JDK 1.8
+ */
+public class Main {
+    public static void main(String[] args) {
+        System.out.println(ChildClass.A);
+    }
+}
diff --git a/src/main/java/com/crossoverjie/classloader/SuperClass.java b/src/main/java/com/crossoverjie/classloader/SuperClass.java
@@ -0,0 +1,20 @@
+package com.crossoverjie.classloader;
+
+/**
+ * Function:
+ *
+ * @author crossoverJie
+ *         Date: 05/03/2018 23:11
+ * @since JDK 1.8
+ */
+public class SuperClass {
+
+    /**
+     * 如果使用了 final 修饰的常量，再使用时父类也不会初始化
+     */
+    public static int A = 1;
+
+    static {
+        System.out.println("SuperClass init");
+    }
+}
