Initialize hashmap with values

New hashmap java

Map<String, String> myMap = new HashMap<String, String>() {{
        put("a", "b");
        put("c", "d");
    }};

Source: stackoverflow.com

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

Hashmap declare and initialize with values in 1 line java

Java:
new HashMap<String, String>() {{ put("Key", "Value"); }};

Initialize hashmap with values

public static Map<String, String> articleMapOne;
static {
    articleMapOne = new HashMap<>();
    articleMapOne.put("ar01", "Intro to Map");
    articleMapOne.put("ar02", "Some article");
}

-1

Source: baeldung.com

Initialize hashmap with values

Map<String, String> doubleBraceMap  = new HashMap<String, String>() {{
    put("key1", "value1");
    put("key2", "value2");
}};

-1

Source: baeldung.com

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