类的加载顺序、初始化顺序。

enjoyCoding666 · enjoyCoding666 · commit 29f2399c0b2c · 2019-03-06T12:17:51.000+08:00
diff --git a/src/main/java/com/jvm/Order.java b/src/main/java/com/jvm/Order.java
@@ -0,0 +1,28 @@
+package com.jvm;
+
+/**
+ *   考察类加载机制、初始化的顺序。
+ */
+public class Order {
+
+    private static Order order=new Order();
+
+    private  static  int a;
+    private  static int b=0;
+
+
+    public Order(){
+        a++;
+        b++;
+    }
+
+    public  static Order getOrder(){
+        return  order;
+    }
+
+    public static void main(String[] args) {
+        Order order=Order.getOrder();
+        System.out.println(order.a);
+        System.out.println(order.b);
+    }
+}
