Make DFS and BFS search algorithms generic (fixes #4229) (#4230)

src/main/java/com/thealgorithms/datastructures/Node.java

@@ -0,0 +1,32 @@
+package com.thealgorithms.datastructures;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Node<T> {
+
+    private final T value;
+    private final List<Node<T>> children;
+
+    public Node(final T value) {
+        this.value = value;
+        this.children = new ArrayList<>();
+    }
+
+    public Node(final T value, final List<Node<T>> children) {
+        this.value = value;
+        this.children = children;
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public void addChild(Node<T> child) {
+        children.add(child);
+    }
+
+    public List<Node<T>> getChildren() {
+        return children;
+    }
+}