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I have to store key value pairs in java which is more memory efficient and which is more time efficient while reading and writing directly in file?
<string,double,double><string,object> where object contain two double values.<string,object> where object contain two double values.also you can suggest some other methods.
The most efficient is likely to be
Map<String, double[]>Whether you use Guava or not I don’t imagine making much difference.