better notNull() function v_0
authorFrantišek Kučera <franta-hg@frantovo.cz>
Sat, 04 Jan 2014 15:11:49 +0100
branchv_0
changeset 125 46eb1925f2bb
parent 124 9277b02a3b02
child 126 2357a9d08660
better notNull() function
java/sql-dk/src/info/globalcode/sql/dk/Functions.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/Functions.java	Fri Jan 03 22:09:05 2014 +0100
+++ b/java/sql-dk/src/info/globalcode/sql/dk/Functions.java	Sat Jan 04 15:11:49 2014 +0100
@@ -23,9 +23,9 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
 
 /**
@@ -86,7 +86,7 @@
 	 */
 	public static <T> Collection<T> notNull(Collection<T> c) {
 		if (c == null) {
-			return new ArrayList<>();
+			return Collections.emptyList();
 		} else {
 			return c;
 		}