mapperducer_简单的实例分析

基本信息

源码名称：mapperducer_简单的实例分析

源码大小：0.02M

文件格式：.zip

开发语言：Java

更新时间：2021-08-19

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源码介绍

1 累加求和
data.txt文件内容如下：
1, 3,4, 20
4, 5, 8
, 3| 4
1,3,a,
,20,

输出一个整数N

2 奇偶统计
data.txt文件如上
输出：
奇数 N
偶数 M

3 搜索所有<h2></h2>标签
data.txt文件内容如下：
<h2>　　1、Rain 雨</h2>　　Rain is falling all around,　　雨儿在到处降落,　　It falls on field and tree,　　它落在田野和树梢,　　It rains on the umbrella here,　　它落在这边的雨伞上,　　And on the ships at sea.　　又落在航行海上的船只.<h2>　　2、Never give up 永不放弃</h2>　　Never give up, Never lose hope.　　永不放弃 , 永不心灰意冷 .　　Always have faith, It allows you to cope.　　永存信念 , 它会使你应付自如 .　　Trying times will pass,As they always do.　　难捱的时光终将过去 ,一如既往 .　　Just have patience, Your dreams will come true.　　只要有耐心 , 梦想就会成真 .　　So put on a smile, You'll live through your pain.　　露出微笑 , 你会走出痛苦 .　　Know it will pass, And strength you will gain　　相信苦难定会过去 , 你将重获力量 .<h2>　　3、A Grain of Sand 一粒沙子</h2>　　William Blake　　威廉.布莱克　　To see a world in a grain of sand,　　从一粒沙子看到一个世界,　　And a heaven in a wild fllower,　　从一朵野花看到一个天堂,　　Hold infinity in the palm of your hand,　　把握在你手心里的就是无限,　　And eternity in an hour.　　永恒也就消融于一个时辰<h2>　　4、Stopping by Woods on a Snowy Evening 雪夜林畔驻马</h2>　　　　By Robert Frost　　罗伯特.弗罗斯特　　Whose woods these are I think I know.　　我想我知道这是谁的树林.　　His house is in the village though;　　他的家虽在那边乡村;　　He will not see me stopping here　　他看不到我驻足在此地,　　To watch his woods fill up with snow.　　伫望他的'树林白雪无垠.　　My little horse must think it queer　　我的小马一定会觉得离奇,　　To stop without a farmhouse near　　停留于旷无农舍之地,　　Between the woods and frozen lake　　在这树林和冰湖中间　　The darkest evening of the year.　　一年中最昏暗的冬夕.　　He gives his harness bells a shake　　它将它的佩铃朗朗一牵　　To ask if there is some mistake.　　问我有没有弄错了地点.　　The only other sound's the sweep　　此外但闻微风的拂吹　　Of easy wind and downy flake.　　和纷如鹅毛的雪片　　The woods are lovely, dark and deep.　　这树林真可爱,黝黑而深邃.　　But I have promises to keep,　　可是我还要赶好几英里路才能安睡,　　And miles to go before I sleep,　　还要赶好几英里才能安睡.　　And miles to go before I sleep.<h2>　　5、ALWAYS HAVE A DREAM 总是有一个梦想</h2>　　　Forget about the days when it's been cloudy.　　忘掉你失意的日子,　　But don't forget your hours in the sun.　　但不要忘记黄金的时光.　　Forget about the times you have been defeated.　　忘掉你的一次次失败,　　But don't forget the victories you have won.　　但不要忘记你夺取的胜利.　　Forget about the misfortunes you have encountered.　　忘掉你遭遇的不幸,　　But don't forget the times your luck has turned.　　但不要忘记你的时来运转.　　Forget about the days when you have been lonely.　　忘掉你的孤独日子,　　But don't forget the friendly smiles you have seen.　　但不要忘记你得到的友善微笑.　　Forget about the plans that didn't seem to work out right.　　忘掉你没有得以顺利实施的计划,　　But don't forget to always have a dream.　　但不要放弃你的梦想<h2>　　6、THE CUCKOO 布谷鸟</h2>　　In April, 四月里,　　Come he will, 它就来了,　　In May, 五月里,　　Sing all day, 整天吟唱多逍遥,　　In June, 六月里,　　Change his tune, 它在改变曲调,　　In July, 七月里,　　Prepare to fly, 准备飞翔,　　In August, 八月里,　　Go he must! 它就得离去了!<h2>　　7、Boats Sail On The Rivers</h2>　　Boats sail on the rivers, 小舟在河上航行,　　And ships sail on the seas; 大船在海中操轮,　　But clouds that sail across the sky, 然而白云飘过天空时,　　Are prettier far than these. 比这些更为悦人.<h2>　　8、The Star 星星</h2>　　Twinkle, twinkle, little star! 闪耀,闪耀,小星星!　　How I wonder what you are, 我想知道你身形,　　Up above the world so high, 高高挂在天空中,　　Like a diamond in the sky. 就像天上的钻石.　　(2)　　When the blazing sun is gone, 灿烂太阳已西沉,　　When he nothing shines upon, 它已不再照万物,　　Then you show your little light, 你就显露些微光,　　Twinkle, twinkle all the night. 整个晚上眨眼睛.　　(3)　　The dark blue sky you keep 留恋漆黑的天空　　And often thro' my curtains peep, 穿过窗帘向我望,　　For you never shut your eye 永不闭上你眼睛　　Till the sun is in the sky. 直到太阳又现形.　　(4)　　'Tis your bright and tiny spark 你这微亮的火星,　　Lights the traveler in the dark; 黑夜照耀着游人,　　Though I know not what you are 虽我不知你身形,　　Twinkle, twinkle, little star! 闪耀,闪耀,小星星!

要求输出所有<h2>标签：
<h2>　　1、Rain 雨</h2>
<h2>　　2、Never give up 永不放弃</h2>
。。。

4 在第3题的基础上，额外输出 <h2>标签的数量，一个整数N

5 成语接龙
data.txt内容如下：
海枯石烂大海、人莫予毒、毒手尊前前因后果
成千上万鼠窃狗盗果于自信、
饕餮之徒一帆风顺烂若披锦万象森罗
锦绣前程罗雀掘鼠功败垂成程门立雪盗憎主人
徒劳无功、功成、雪虐风饕

要求输出：
海枯石烂烂若披锦锦绣前程程门立雪雪虐风饕饕餮之徒徒劳无功功败垂成成千上万万象森罗罗雀掘鼠鼠窃狗盗盗憎主人人莫予毒毒手尊前前因后果果于自信

6 在第5题的基础上，额外输出不能接龙的内容
要求输出：
海枯石烂烂若披锦锦绣前程程门立雪雪虐风饕饕餮之徒徒劳无功功败垂成成千上万万象森罗罗雀掘鼠鼠窃狗盗盗憎主人人莫予毒毒手尊前前因后果果于自信
大海一帆风顺功成