Java Utililty Methods Map Put

List of utility methods to do Map Put

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Description

The list of methods to do Map Put are organized into topic(s).

Method

voidputRowMap(Map map, String value)
put Row Map 
map.put("field" + map.size(), value);
voidputSafelyMap(Map> pathFeaturesMap, K1 featureDescriptor, K2 pathId, E featureValue)
put Safely Map 
putSafelyMap(pathFeaturesMap, featureDescriptor, pathId, featureValue, HashMap.class);
voidputShort(Map properties, String name, short value)
Utility method that puts the named short value to the given map. 
properties.put(name, new Short(value));
voidputToListMap(Map mapOfLists, Object key, Object val)
put To List Map 
List list = (List<?>) mapOfLists.get(key);
if (list == null) {
    list = new ArrayList<>();
    mapOfLists.put(key, list);
list.add(val);
voidputToMapIfNotNull(Map map, final String key, final String value)
put To Map If Not Null 
if (value != null) {
    map.put(key, value);
voidputToMapMap(Map> map1, K1 key1, K2 key2, V value)
Puts a value into a map of maps. 
Map<K2, V> map2 = map1.get(key1);
if (map2 == null) {
    map2 = new HashMap<>();
    map1.put(key1, map2);
map2.put(key2, value);
voidputUnique(Map map, long key, V v)
put Unique 
synchronized (map) {
    while (map.get(key) != null) {
        key++;
    map.put(key, v);