HashMap myMap = (HashMap) getLastNonConfigurationInstance(); myMap is always null. getLastNonConfigurationInstance() returns an object. My map has two k开发者_JS百科eys \"symbol\" and \"name\".
The h:selectBooleanCheckbox in question is in a h:dataTable (of Extras) within a h:dataTable (of Items) within a h:dataTable (of Categories). Many Items are displayed and each Item can have many Extra
I am trying to extend HashMap as a Parcelable and I got the syntax to compile, however, at runtime it throws an exception and returns a null pointer trying to un-marshal the data.
Say I have two hashmaps: {dog=1, cat=1, sport=3, golf=4} {dog=5, person=1, animal=4} I want to merge them retaining the values, so that the val开发者_开发百科ues add together in the output
I have a class representing a set of values that will be used as a key in maps. 开发者_JAVA百科This class is immutable and I want to make it a singleton for every distinct set of values, using the st
OK so I have this HashMap private Map<String, Player> players = new HashMap<String, Player>();
How to move a particular HashMap entry to Last position? For Example, I have HashMap values like this:
I have a hashMap in java in terms of some keys which each key is indicating a flow. Then each value showing statics about each packet belongs to that flow.
I need to to generate 6 unique random numbers from 1 to 37; At first I used a simple array mapping: private int k=6, n=37;
I have a hashMap in java in terms of some keys which each key is indicating a flow. Then each value showing statics about each packet belongs to that flow.
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