I am using and Arraylist for sor soil samples because I don't know the number of samples and the depth of each sample. I am having a problem setting up my Arraylist and would appreciate some help.
In general the sample can be handled with a two diminsional array.
int layerdepth = new int; // where layerdepth[sample number
int watercapity = new int; // where water capacity[sample number
I thought I could add this to an Arraylist By:
ArrayList asoildata = new Arraylist;
asoildata.add(sample number, layerdepth);
But it will not work. I need to retrieve data by sample number, and suggestions would be appreciated.
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