Add launch configuration for NetExamples; enhance NetExamples class with main method and improved network creation; refactor Result class for better stats handling

.vscode/launch.json

@@ -4,6 +4,13 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+        {
+            "type": "java",
+            "name": "NetExamples",
+            "request": "launch",
+            "mainClass": "net.berack.upo.valpre.NetExamples",
+            "projectName": "valpre"
+        },
         {
             "type": "java",
             "name": "Run1k Simple",
@@ -52,6 +59,6 @@
             "request": "launch",
             "mainClass": "net.berack.upo.valpre.Main",
             "args": "interactive"
-        },
+        }
     ]
 }