• 后端返回的數(shù)據(jù)，有時(shí)候需要做排序檢查，或者客戶(hù)端自己寫(xiě)排序。按照Bean中的某一個(gè)屬性生序排列。

public class ListSortTest {static class WorkBean {public int value;public String name;public WorkBean(int value, String name) {this.value = value;this.name = name;}}public static void main(String[] args) {ArrayList<WorkBean> beanList = new ArrayList<>();beanList.add(new WorkBean(1, "x1"));beanList.add(new WorkBean(2, "x2"));beanList.add(new WorkBean(3, "x3"));beanList.add(new WorkBean(3, "x3"));beanList.add(new WorkBean(2, "x2"));beanList.add(new WorkBean(1, "x1"));Collections.sort(beanList, new Comparator<WorkBean>() {@Overridepublic int compare(WorkBean o1, WorkBean o2) {return o1.value - o2.value; //升序 // return o2.value - o1.value; //降序}});for (WorkBean bean : beanList) {System.out.println(bean.value + " " + bean.name);}} }

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