diff options
Diffstat (limited to 'altoslib/AltosPointInt.java')
| -rw-r--r-- | altoslib/AltosPointInt.java | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/altoslib/AltosPointInt.java b/altoslib/AltosPointInt.java index 5d884391..a7dd00f7 100644 --- a/altoslib/AltosPointInt.java +++ b/altoslib/AltosPointInt.java @@ -20,7 +20,19 @@ package org.altusmetrum.altoslib_7; public class AltosPointInt { public int x, y; - public boolean equals(AltosPointInt n) { + public int hashCode() { + return x ^ y; + } + + public boolean equals(Object o) { + if (o == null) + return false; + + if (!(o instanceof AltosPointInt)) + return false; + + AltosPointInt n = (AltosPointInt) o; + return n.x == x && n.y == y; } |