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");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");map initialization java
public static Map<String, String> articleMapOne;
static {
articleMapOne = new HashMap<>();
articleMapOne.put("ar01", "Intro to Map");
articleMapOne.put("ar02", "Some article");
}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));Copyright © 2021 Codeinu
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