Java Utililty Methods Map Add

List of utility methods to do Map Add

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Description

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

Method

voidaddToMap(String aDimensionCriteria, Map aDrilldownDimensions)
add To Map 
int p = aDimensionCriteria.indexOf("=");
aDrilldownDimensions.put(aDimensionCriteria.substring(0, p), aDimensionCriteria.substring(p + 1));
voidaddToMap(String key, Map map, String value)
add To Map 
map.put(key, value);
voidaddToMapIfNotNull(Map map, K key, V value)
Adds a value V into a map under key K only if the value is not null. 
if (value == null) {
    return;
map.put(key, value);
voidaddToMapIfNotNull(Map map, String key, Object value)
add To Map If Not Null 
addToMapIfNotNull(map, key, value, "");
voidaddToMapListUnique(Map> mapList, T key, List values)
add To Map List Unique 
List<U> list = mapList.get(key);
if (list == null) {
    list = new ArrayList<U>(values.size());
    mapList.put(key, list);
for (U value : values) {
    if (!list.contains(value)) {
        list.add(value);
...
voidaddToMapMap(Map> map, K1 key1, K2 key2, V value)
Adds the given key-value mapping to the given map. 
Map<K2, V> innerMap = map.get(key1);
if (innerMap == null) {
    innerMap = new HashMap<K2, V>();
    map.put(key1, innerMap);
innerMap.put(key2, value);
voidaddToMapMap(Map> map, T key, V val)
add To Map Map 
if (!map.containsKey(key)) {
    Map<V, Integer> newMap = new HashMap<V, Integer>();
    addToMap(newMap, val);
    map.put(key, newMap);
} else {
    addToMap(map.get(key), val);
voidaddToMapOfLists(Map> map, S key, T value)
add To Map Of Lists 
List<T> list = map.get(key);
if (list == null) {
    list = new ArrayList<T>();
    map.put(key, list);
list.add(value);
MaparrayAsMap(Object... t)
array As Map 
if (t == null || t.length <= 0) {
    return null;
if (t.length % 2 != 0) {
    throw new RuntimeException("illegal args count");
Map<String, Object> params = new HashMap<String, Object>(t.length);
for (int i = 0; i < t.length; i += 2) {
...
MaparrayToMap(int[] array)
array To Map 
Map<Integer, Integer> ret = new HashMap<Integer, Integer>();
for (int i = 0; i < array.length; i++)
    ret.put(i + 1, array[i]);
return ret;