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public class UnAssignedRecord implements Comparable<UnAssignedRecord> { private String time; //hour:min:sec public String getTime() { return time; } public void setTime(String time) { this.time = time; } @Override public String toString() { return "UnAssignedRecord [id=" + id + ", tableIndex=" + tableIndex + ", name=" + name + ", content=" + content + ", time=" + time + "]"; } @Override public int compareTo(UnAssignedRecord arg) { UnAssignedRecord record = (UnAssignedRecord)arg; String o1 = record.getTime(); String o2 = this.getTime(); Date t1 = SiZhenUtil.convertDateTimeNoMilSec(o1); Date t2 = SiZhenUtil.convertDateTimeNoMilSec(o2); return (t1.getTime() > t2.getTime()) ? 1 : (t1.getTime() == t2.getTime() ? 0 : -1); } }
List<UnAssignedRecord> a = new ArrayList<UnAssignedRecord>(); a.add(new UnAssignedRecord()); a.add(new UnAssignedRecord()); a.add(new UnAssignedRecord()); Collections.sort(a); // 此时a为按照时间倒叙排序
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原文地址：http://www.cnblogs.com/webglcn/p/5714536.html
