From b7e83565fd095c2cbccea34b7505981c8b9ddb2e Mon Sep 17 00:00:00 2001
From: Josh Soref <jsoref@users.noreply.github.com>
Date: Wed, 20 Feb 2019 18:18:23 -0500
Subject: [PATCH] Java 5: contains

---
 core/src/main/java/hudson/FilePath.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/FilePath.java b/core/src/main/java/hudson/FilePath.java
index fd363d4729..341e1a951d 100644
--- a/core/src/main/java/hudson/FilePath.java
+++ b/core/src/main/java/hudson/FilePath.java
@@ -385,7 +385,7 @@ public final class FilePath implements Serializable {
             return false;
         // Windows can handle '/' as a path separator but Unix can't,
         // so err on Unix side
-        return remote.indexOf("\\")==-1;
+        return !remote.contains("\\");
     }
 
     /**
-- 
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