IntegerComparator.java
IntegerComparator.java — Java source code, 389 bytes
Conteúdo do arquivo
public class IntegerComparator implements Comparator { public boolean isComparable(Object a) { if (a == null) return false; try { Integer i = (Integer) a; } catch (ClassCastException cce) { return false; } return true; } public int compare(Object a, Object b) { Integer x = (Integer) a; Integer y = (Integer) b; return x.intValue() - y.intValue(); } }