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Map ์ ์ธ๊ณผ ๋์์ ์ด๊ธฐํ ํ๋ ๋ฐฉ๋ฒ
Map<String, String> map = new HashMap<String, String>() {
{
put("key1", "value1");
put("key2", "value2");
}
};
Map<String, String> map2
= Map.ofEntries( entry("key1", "value1"), entry("key2", "value2"), entry("key3", "value3"));
Map.getOrDefault
System.out.println(map2.getOrDefault("Key9999", "key not found")); // key not found
๐ Reference
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