Sync Factory Method, Abstract Factory, Builder, Prototype to Java 25; fix post/code mismatches

01-creational/abstract-factory/LightTextField.java

@@ -0,0 +1,10 @@
+package abstractfactory;
+public class LightTextField implements TextField {
+    private String value = "";
+    @Override
+    public void render() {
+        System.out.println("[Light TextField] White background, dark placeholder text");
+    }
+    @Override
+    public String getValue() { return value; }
+}