From 75c6a0579f431d64e272037c8c245e0e4fe41fe7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Fuhry?= <rene.fuhry@gmail.com>
Date: Thu, 25 May 2023 23:24:34 +0200
Subject: [PATCH] fixed findProperties and a improvement

---
 src/Graph.java | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/Graph.java b/src/Graph.java
index 21ff84a..fef94a6 100644
--- a/src/Graph.java
+++ b/src/Graph.java
@@ -95,11 +95,19 @@ public class Graph {
                     exzentrizität = distanzMatrix.getValueAt(columnIndex, rowIndex);
                 }
             }
+            if(exzentrizität == 0) {
+                connected = false;
+                return;
+            }
             exzentrizitäten.add(exzentrizität);
         }
     }
 
     public void calculateProperties() {
+        if(!connected) {
+            return;
+        }
+        
         radius = Integer.MAX_VALUE;
         diameter = -1;
         connected = true;
@@ -108,20 +116,16 @@ public class Graph {
         for(int rowIndex = 0; rowIndex < exzentrizitäten.size(); rowIndex++) {
             if(exzentrizitäten.get(rowIndex) > diameter) {
                 diameter = exzentrizitäten.get(rowIndex);
-                centre.clear();
+            }
+            if(exzentrizitäten.get(rowIndex) == radius) {
                 centre.add(rowIndex + 1);
             }
             if(exzentrizitäten.get(rowIndex) < radius) {
                 radius = exzentrizitäten.get(rowIndex);
-            }
-            if(exzentrizitäten.get(rowIndex) == diameter) {
+                centre.clear();
                 centre.add(rowIndex + 1);
             }
         }
-
-        if(radius == 0) {
-            connected = false;
-        }
     }
 
     public void findComponents() {