add minimally commented default constructor to please javadoc

1 files changed, 18 insertions, 1 deletions

diff --git a/com/example/portfolio3/Graphs.java b/com/example/portfolio3/Graphs.java
index 639c4fd..d1ffc9d 100644
--- a/com/example/portfolio3/Graphs.java
+++ b/com/example/portfolio3/Graphs.java
@@ -5,7 +5,12 @@ package com.example.portfolio3;
 import java.util.*;
 
 /// foo
-public class Graphs {}
+public class Graphs {
+
+  /// foo
+  Graphs() {}
+
+}
 
 /// foo
 class Vertex{
@@ -91,6 +96,9 @@ interface Graph {
 abstract class AbstractGraph implements Graph{
 
   /// foo
+  AbstractGraph() {}
+
+  /// foo
   private HashMap<String,Vertex> vertexMap=new HashMap<>();
 
   /// foo
@@ -135,6 +143,9 @@ abstract class AbstractGraph implements Graph{
 class EdgeGraph extends AbstractGraph {
 
   /// foo
+  EdgeGraph() {}
+
+  /// foo
   Set<Edge> edges=new HashSet<>();
 
   /// foo
@@ -169,6 +180,9 @@ class EdgeGraph extends AbstractGraph {
 class AdjListGraph extends AbstractGraph {
 
   /// foo
+  AdjListGraph() {}
+
+  /// foo
   private Map<Vertex,Set<Edge>> outEdge= new HashMap<>();
 
   /// foo
@@ -211,6 +225,9 @@ class AdjListGraph extends AbstractGraph {
 class AdjMapGraph extends AbstractGraph {
 
   /// foo
+  AdjMapGraph() {}
+
+  /// foo
   private Map<Vertex, Map<Vertex, Edge>> outEdge = new HashMap<>();
 
   /// foo