Added comments to highlight what is being demonstrated.

Stephen Souness · Stephen Souness · commit 0875b5435509 · 2014-08-11T21:15:27.000+01:00
diff --git a/src/CompileTimeResolution.java b/src/CompileTimeResolution.java
@@ -1,5 +1,5 @@
 /**
- * This demonstrates how Java polymorphism applies to the compile time type.
+ * This demonstrates how Java polymorphism is limited to the compile time type.
  */
 public class CompileTimeResolution {
 
@@ -10,17 +10,21 @@ public static void main(String args[]) {
 
         sayHello(a);
         sayHello(b);
+
+        // Explicitly casting to the runtime type of the object makes no difference
         sayHello(c.getClass().cast(c));
     }
 
     private static void sayHello(SomethingA a) {
         System.out.println("Hello A");
     }
 
+    // Never called
     private static void sayHello(SomethingB b) {
         System.out.println("Hello B");
     }
 
+    // Never called
     private static void sayHello(SomethingC c) {
         System.out.println("Hello C");
     }

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`/**`
`2`		`- * This demonstrates how Java polymorphism applies to the compile time type.`
	`2`	`+ * This demonstrates how Java polymorphism is limited to the compile time type.`
`3`	`3`	`*/`
`4`	`4`	`public class CompileTimeResolution {`
`5`	`5`
`@@ -10,17 +10,21 @@ public static void main(String args[]) {`
`10`	`10`
`11`	`11`	`sayHello(a);`
`12`	`12`	`sayHello(b);`
	`13`	`+`
	`14`	`+ // Explicitly casting to the runtime type of the object makes no difference`
`13`	`15`	`sayHello(c.getClass().cast(c));`
`14`	`16`	`}`
`15`	`17`
`16`	`18`	`private static void sayHello(SomethingA a) {`
`17`	`19`	`System.out.println("Hello A");`
`18`	`20`	`}`
`19`	`21`
	`22`	`+ // Never called`
`20`	`23`	`private static void sayHello(SomethingB b) {`
`21`	`24`	`System.out.println("Hello B");`
`22`	`25`	`}`
`23`	`26`
	`27`	`+ // Never called`
`24`	`28`	`private static void sayHello(SomethingC c) {`
`25`	`29`	`System.out.println("Hello C");`
`26`	`30`	`}`