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[英]How to check if java hashtable contains key-value pairs from another hashtable
[英]check String contains inside HashTable Value
1=[Fletcher Christian, No, Visualisation of Egocentric Networks, Exploring the Irish Political Landscape on Twitter, Twitter Network Analysis, A Web-Based Server Energy Model Generator, Recommending Movies Using Curated IMDb Lists, Travel Planner for Commuters, Analysis of urban street networks - constructing a dual representation, Biography Reading Media Assistant]
我有像上面的hash-table
我想查找Fletcher Christian是否包含在Hash-Table
值內
這里的值是一個向量
只需檢查所有值並檢查:
static boolean contains (Hashtable <Integer, Vector <String>> map, String value){
for (Vector<String> values : map.values()){
if (values.contains(value))
return true;
}
return false;
}
在Java 8中,您可以單行執行此操作:
static boolean contains (Hashtable <Integer, Vector<String>> map, String value){
return map.values().stream().anyMatch(list -> list.contains(value));
}
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