//声明存放A对象的集合
List<A> exceptionlevelVoList = new ArrayListList<A>();
//先排序(倒序)
Collections.sort(exceptionlevelVoList, new ACompator() );
class ACompator implements Comparator<A>{
public int compare(A a, A b) {
String levelA = a.getExceptionLevel();
String levelB = b.getExceptionLevel();
if(levelA.compareTo(levelB)>0) {
return -1;
}
if(levelA.compareTo(levelB)< 0){
return 1;
}
return 0;
}
}
对两个对象进行排序
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转载自huangshanghua.iteye.com/blog/1566082
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