I have a ListView showing names of countries. I have stored the names in strings.xml as a string-array called country_names.
I need to implement an n:m relation in Java. The use case is a catalog. a product can be in multiple categories
I just want to know how to, if a Hashmap is already on the list add 1 to quantity, if it is not then add it to list. This is what I\'ve done that just add eventhough the item is already on list.
What\'s the syntax to set immutable hashmap contents on initialization? For example, if I was willing to hardcode an array, I\'d write:
I have a HashMap and now i need to find all the keys inside the HashMap which has a particular letter inside it and replace it w开发者_JAVA百科ith another letterYou could try this :
It has been reported that from Java JDK 1.3.1 to JDK 1.4.0 HashMap is 5 times slower (see here). What is the state of the art of HashMap at java 6?
I have page gets given an ArrayList<Document> where each document has a property called type. I don\'t know the number of unique types or documents.
How can I use eval in groovy to evaluate the following String: {key1=keyval, key2=[listitem1开发者_开发知识库, listitem2], key3=keyval2}
I have a 2 enum values representing a mapping to object which I\'m (currently) modeling with a HashMap with the 2 enums values are used as key and the object is the value.
Please refer to the code below. The keys \"H_0000001\" and \"H_0000002\" in the hashmaps HstTime and HstName get overwritten by other unique keys.\"H_000002\" get overwritten by \"H_00000010\" and \"H
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