Java Utililty Methods HashMap Create

List of utility methods to do HashMap Create

Description

The list of methods to do HashMap Create are organized into topic(s).

Method

MaphashMap(Entry... entries)
hash Map
Map<K, V> map = new HashMap<>();
for (Entry<K, V> entry : entries) {
    map.put(entry.getKey(), entry.getValue());
return map;
HashMaphashMap(Object... kvs)
hash Map
HashMap hashMap = new HashMap();
for (int i = 0, n = kvs.length; i < n; i += 2) {
    hashMap.put(kvs[i], kvs[i + 1]);
return hashMap;
HashMaphashMapRange(int upTo)
hash Map Range
HashMap<String, String> h = new HashMap<>(upTo);
for (int i = 0; i < upTo; i++) {
    h.put("k" + i, "v" + i);
return h;
HashMapnewHashMap(Map map)
new Hash Map
return new HashMap<KEY, VALUE>(map);
MapnewHashMap()
Constructs an empty HashMap with the default initial capacity (16) and the default load factor (0.75).
return newHashMap(16);
HashMapnewHashMap()
new Hash Map
return new HashMap<KEY, VALUE>();
HashMapnewHashMap()
new Hash Map
return new HashMap<K, V>();
MapnewHashMap()
Convenient method to instantiate a generic HashMap
return new HashMap<K, V>();
HashMapnewHashMap()
Constructs an empty HashMap.
return new HashMap<k, v>();
HashMapnewHashMap()
new Hash Map
return new HashMap<K, V>();