Added @value for map examples

Author: er-han

spring-core/src/main/java/com/baeldung/value/ValuesApp.java

@@ -45,6 +45,27 @@ public class ValuesApp {
 
     @Value("#{'${listOfValues}'.split(',')}")
     private List<String> valuesList;
+	
+    @Value("#{${valuesMap}}")
+    private Map<String, Integer> valuesMap;
+
+    @Value("#{${valuesMap}.key1}")
+    private Integer valuesMapKey1;
+
+    @Value("#{${valuesMap}['unknownKey']}")
+    private Integer unknownMapKey;
+
+    @Value("#{${unknownMap : {key1:'1', key2 : '2'}}}")
+    private Map<String, Integer> unknownMap;
+
+    @Value("#{${valuesMap}['unknownKey'] ?: 5}")
+    private Integer unknownMapKeyWithDefaultValue;
+
+    @Value("#{${valuesMap}.?[value>'1']}")
+    private Map<String, Integer> valuesMapFiltered;
+
+    @Value("#{systemProperties}")
+    private Map<String, String> systemPropertiesMap;
 
     public static void main(String[] args) {
         System.setProperty("systemValue", "Some system parameter value");
@@ -69,5 +90,12 @@ public void afterInitialize() {
         System.out.println(spelSomeDefault);
         System.out.println(someBeanValue);
         System.out.println(valuesList);
+        System.out.println(valuesMap);
+        System.out.println(valuesMapKey1);
+        System.out.println(unknownMapKey);
+        System.out.println(unknownMap);
+        System.out.println(unknownMapKeyWithDefaultValue);
+        System.out.println(valuesMapFiltered);
+        System.out.println(systemPropertiesMap);
     }
 }

spring-core/src/main/resources/values.properties

@@ -1,3 +1,4 @@
 value.from.file=Value got from the file
 priority=Properties file
-listOfValues=A,B,C
+listOfValues=A,B,C
+valuesMap={key1:'1', key2 : '2', key3 : '3'}