minor change

MherBaghinyan · MherBaghinyan · commit e0172002d5c1 · 2018-09-13T01:14:09.000+04:00
diff --git a/core-java-collections/src/main/java/com/baeldung/sort/SortHashMap.java b/core-java-collections/src/main/java/com/baeldung/sort/SortHashMap.java
@@ -63,8 +63,8 @@ private static void treeSetByValue() {
     }
 
     private static void treeSetByKey() {
-        SortedSet<String> keys = new TreeSet<>(map.keySet());
-        System.out.println(keys);
+        SortedSet<String> keysSet = new TreeSet<>(map.keySet());
+        System.out.println(keysSet);
     }
 
     private static void treeMapSortByKey() {

Original file line number	Diff line number	Diff line change
`@@ -63,8 +63,8 @@ private static void treeSetByValue() {`
`63`	`63`	`}`
`64`	`64`
`65`	`65`	`private static void treeSetByKey() {`
`66`		`- SortedSet<String> keys = new TreeSet<>(map.keySet());`
`67`		`- System.out.println(keys);`
	`66`	`+ SortedSet<String> keysSet = new TreeSet<>(map.keySet());`
	`67`	`+ System.out.println(keysSet);`
`68`	`68`	`}`
`69`	`69`
`70`	`70`	`private static void treeMapSortByKey() {`