Fix .equals for Node.

2018-03-09 21:08:00 +01:00
parent 7dcbdcb408
commit f2bdc462a3
1 changed files with 3 additions and 0 deletions
--- a/src/main/org/insa/graph/Node.java
+++ b/src/main/org/insa/graph/Node.java
@@ -95,6 +95,9 @@ public class Node implements Comparable<Node> {

    @Override
    public boolean equals(Object other) {
+        if (other == null) {
+            return false;
+        }
        if (other instanceof Node) {
            return getId() == ((Node) other).getId();
        }