jre.imports['java.lang.Double'].load = () => { class Double { constructor() { throw "new Double() not supported"; } } Double.parseDouble = (d) => { return parseFloat(d); } Double.compare = (a, b) => { return a - b; } Double.MAX_VALUE = Number.MAX_VALUE; Double.POSITIVE_INFINITY = Number.POSITIVE_INFINITY; Double.NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY; Double.NaN = NaN; jre.java.lang.Double = Double; }