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-rw-r--r--java/PatternFactory.java39
1 files changed, 39 insertions, 0 deletions
diff --git a/java/PatternFactory.java b/java/PatternFactory.java
new file mode 100644
index 0000000..e137efe
--- /dev/null
+++ b/java/PatternFactory.java
@@ -0,0 +1,39 @@
+
+abstract class Human
+{
+ enum Gender { MALE, FEMALE }
+ abstract protected Gender construct();
+ private Gender g;
+
+ public Human() {
+ g = construct();
+ }
+
+ public void say()
+ {
+ System.out.println("I am a " + g);
+ }
+}
+
+class Female extends Human
+{
+ @Override
+ protected Gender construct() { return Gender.FEMALE; }
+}
+
+class Male extends Human
+{
+ @Override
+ protected Gender construct() { return Gender.MALE; }
+}
+
+
+public class PatternFactory {
+
+ public static void main (String [] args )
+ {
+ (new Female()).say();
+ (new Male()).say();
+ }
+}
+