java initialize map with values in one line

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Luka
13 Jan 2020
1Map<String, String> emptyMap = Map.of();
2Map<String, String> singletonMap = Map.of("key1", "value");
3Map<String, String> map = Map.of("key1","value1", "key2", "value2");
4
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Hannes
22 Jul 2019
1Map<String, Integer> map = Stream.of(
2  new AbstractMap.SimpleEntry<>("idea", 1), 
3  new AbstractMap.SimpleEntry<>("mobile", 2))
4  .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
source
Pietro
13 Nov 2017
1Map<String, Integer> map = Stream.of(
2  new AbstractMap.SimpleImmutableEntry<>("idea", 1),    
3  new AbstractMap.SimpleImmutableEntry<>("mobile", 2))
4  .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
source
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