/Java/Java initialize map with values in one line

Java initialize map with values in one line

Java 11 initialize map

Map<String, String> emptyMap = Map.of();
Map<String, String> singletonMap = Map.of("key1", "value");
Map<String, String> map = Map.of("key1","value1", "key2", "value2");

Source: baeldung.com

Java initialize map with values in one line

Map<String, Integer> map = Stream.of(
  new AbstractMap.SimpleEntry<>("idea", 1), 
  new AbstractMap.SimpleEntry<>("mobile", 2))
  .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));

Source: baeldung.com

Java initialize map with values in one line

Map<String, Integer> map = Stream.of(
  new AbstractMap.SimpleImmutableEntry<>("idea", 1),    
  new AbstractMap.SimpleImmutableEntry<>("mobile", 2))
  .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));

Source: baeldung.com

Similar codes

0 vote287 views1 answer
How to open a folder in java swing project
Java
1 vote287 views1 answer
How to collect objective in java
Java
22 votes307 views2 answers
Java quit application
Java
0 vote274 views1 answer
Find out duplicate number between 1 to n numbers in java
Java
22 votes298 views10 answers
Google translate
Java
3 votes285 views3 answers
Spigot start.bat code
Java
0 vote242 views1 answer
Java filter list based on unique value
Java
3 votes274 views3 answers
Java does file exist
Java
0 vote292 views1 answer
Grepper editor
Java
0 vote284 views1 answer
Java install in fedora
Java