java读取csv文件,查找重复行
希望用java编写一段代码,读取csv文件,查找出某列中包含重复字段的行。如:
1,0.00,0.00,0.00,0.00,0.00,0.00,null,2010-12-11,CNT10005,T1001,TS1001,C1001
1,0.00,0.00,0.00,0.00,0.00,0.00,null,2010-12-11,CNT10003,T1001,TS1002,C1002
1,0.00,0.00,0.00,0.00,0.00,0.00,null,2010-12-11,CNT10002,T1002,TS1003,C1003
希望只输出前两行,请高手指教。