Changes between Version 6 and Version 7 of waue/2009/0717

Timestamp:

Jul 17, 2009, 2:34:47 PM (15 years ago)

Author:

waue

Comment:

--

waue/2009/0717

@@ -53 +53 @@
 {{{
 #!java
-abstract class Demo ｛ 
+abstract class AC { 
+        AC(){   }  // abstract would have constructor
 abstract void method1(); 
 abstract void method2(); 
-… 
-｝ 
+}
 
-interface Demo { 
-void method1(); 
+interface INF { 
+//      INF(){  }   // error : interface cannot have constructor
+void method1();
 void method2(); 
-… 
-} 
+}
+
+public class test {
+
+        public static void main(String[] args) {
+
+//              INF if_err1 = new INF;   // error : INF cannot be resolved
+//              INF if_err2 = new INF(); // error： Cannot instantiate the type INF
+                INF[] inf = new INF[5];  // declare as array would be work
+//              AC ac_err1 = new AC;    // error : AC cannot be resolved
+//              AC ac_err2 = new AC();  // even AC have construstor but still error： Cannot instantiate the type AC
+                AC[] ac = new AC[5];   // declare as array would be work
+        }
+}
 }}}