[英]How do I get a key from a HashMap by providing the value?
private static HashMap<Script, String> scripts = new HashMap<>();
public Script getScriptByName(String name) {
for (String s : scripts.values()) {
if (s.equals(name)) {
...
}
}
return null;
}
給定此代碼,我如何獲取特定值的密鑰?
瀏覽地圖條目:
for (Map.Entry<String, String> entry : scripts.entrySet()) {
if (entry.getValue().equals(name)) {
return entry.getKey();
}
}
return null;
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