feat: 리스트 그래프 초기화 코드 작성

Author: ksundong

yoonexample/src/main/java/graph/ListGraph.java

@@ -0,0 +1,29 @@
+package graph;
+
+import list.DummyDoublyLinkedList;
+import list.List;
+
+public class ListGraph implements Graph {
+
+  private final List<Enum<?>>[] vertexes;
+
+  public ListGraph(int vertexCount, Class<? extends Enum<?>> clazz) {
+    Enum<?>[] enumConstants = clazz.getEnumConstants();
+    int min = Math.min(vertexCount, enumConstants.length);
+
+    this.vertexes = new List[min];
+    for (int i = 0; i < min; i++) {
+      this.vertexes[i] = new DummyDoublyLinkedList<>();
+      this.vertexes[i].insert(enumConstants[i]);
+    }
+  }
+
+  @Override
+  public void addEdge(Enum<?> fromV, Enum<?> toV) {
+  }
+
+  @Override
+  public String showGraphEdgeInfo() {
+    return null;
+  }
+}