From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/PrintableObject.java             | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/PrintableObject.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/PrintableObject.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/PrintableObject.java b/Master/Reference Architectures and Patterns/hjp5/examples/PrintableObject.java
new file mode 100644
index 0000000..63e8a5c
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/PrintableObject.java	
@@ -0,0 +1,70 @@
+/* PrintableObject.java */
+
+import java.lang.reflect.*;
+
+public class PrintableObject
+{
+  public String toString()
+  {
+    StringBuffer sb = new StringBuffer(200);
+    Class clazz = getClass();
+    while (clazz != null) {
+      Field[] fields = clazz.getDeclaredFields();
+      for (int i = 0; i < fields.length; ++i) {
+        sb.append(fields[i].getName() + " = ");
+        try {
+          Object obj = fields[i].get(this);
+          if (obj.getClass().isArray()) {
+            Object[] ar = (Object[])obj;
+            for (int j = 0; j < ar.length; ++j) {
+              sb.append(ar[j].toString() + " ");
+            }
+            sb.append("\n");
+          } else {
+            sb.append(obj.toString() + "\n");
+          }
+        } catch (IllegalAccessException e) {
+          sb.append(e.toString() + "\n");
+        }
+      }
+      clazz = clazz.getSuperclass();
+    }
+    return sb.toString();
+  }
+
+  public static void main(String[] args)
+  {
+    JavaProgrammer jim = new JavaProgrammer();
+    jim.name           = "Jim Miller";
+    jim.department     = "Operating Systems";
+    jim.age            = 32;
+    String[] langs     = {"C", "Pascal", "PERL", "Java"};
+    jim.languages      = langs;
+    jim.linesofcode    = 55000;
+    jim.jdk12          = true;
+    jim.swing          = false;
+    System.out.println(jim);
+  }
+}
+
+class Employee
+extends PrintableObject
+{
+  public String name;
+  public String department;
+  public int    age;
+}
+
+class Programmer
+extends Employee
+{
+  public String[] languages;
+  public int      linesofcode;
+}
+
+class JavaProgrammer
+extends Programmer
+{
+  public boolean jdk12;
+  public boolean swing;
+}
\ No newline at end of file
-- 
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