Hash Map

public class HashMap {

	Map threshold = new HashMap();

	// Using threshold 200. First argument is diopter.
	threshold.put("-6", .5136);
	threshold.put("-5.5", .5173);
	threshold.put("-5", .4832);
	threshold.put("-4.5", .4695);
	threshold.put("-4", .4326);
	threshold.put("-3.5", .3779);
	threshold.put("-3", .2927);
	threshold.put("-2.5", .1790);
	threshold.put("-2", .0634);
	threshold.put("-1.5", .0000);
	threshold.put("-1", .0000);
	threshold.put("-0.5", .0003);
	threshold.put("0", 0);
	threshold.put("0.5", .0000);
	threshold.put("1", .0001);
	threshold.put("1.5", .0052);
	threshold.put("2", .1273);
	threshold.put("2.5", .2521);
	threshold.put("3", .3473);
	threshold.put("3.5", .4094);
	threshold.put("4", .4560);

}