jtulach@8: package api;
jtulach@8: 
jtulach@380: import java.util.Set;
jtulach@380: 
jtulach@380: public class Erasure {
jtulach@380:     private Erasure() {
jtulach@8:     }
jtulach@8: 
jtulach@380:     // BEGIN: variance.erasure.v2
jtulach@380:     public static boolean arePositive(Set<? extends Number> numbers) {
jtulach@380:         for (Number n : numbers) {
jtulach@380:             if (n.doubleValue() <= 0.0d) {
jtulach@380:                 return false;
jtulach@380:             }
jtulach@380:         }
jtulach@380:         return true;
jtulach@378:     }
jtulach@380:     // END: variance.erasure.v2
jtulach@8: }