在学习java基础使偶尔使用的lambda表达式的简洁性
原:
Comparatorcom = new Comparator () { @Override public int compare(Employee o1, Employee o2) { return -o1.getName().compareTo(o2.getName()); } };
用完lambda:
Comparatorcom = (Employee ee1,Employee ee2)-> -ee1.getName().compareTo(ee2.getName());



