[SPARK-7459] [MLLIB] ElementwiseProduct Java example
[SPARK-7459] [MLLIB] ElementwiseProduct Java example

Author: Octavian Geagla <ogeagla@gmail.com>

Closes #6008 from ogeagla/elementwise-prod-doc and squashes the following commits:

72e6dc0 [Octavian Geagla] [SPARK-7459] [MLLIB] Java example import.
cf2afbd [Octavian Geagla] [SPARK-7459] [MLLIB] Update description of example.
b66431b [Octavian Geagla] [SPARK-7459] [MLLIB] Add override annotation to java example, make scala example use same data as java.
6b26b03 [Octavian Geagla] [SPARK-7459] [MLLIB] Fix line which is too long.
79af020 [Octavian Geagla] [SPARK-7459] [MLLIB] Actually don't use Java 8.
9d5b31a [Octavian Geagla] [SPARK-7459] [MLLIB] Don't use Java 8
4f0c92f [Octavian Geagla] [SPARK-7459] [MLLIB] ElementwiseProduct Java example.

HyukjinKwon/spark,cloud-fan/spark,caneGuy/spark,WeichenXu123/spark,facaiy/spark,haowu80s/spark,JoshRosen/spark,bdrillard/spark,adrian-ionescu/apache-spark,ahnqirage/spark,caneGuy/spark,nilsgrabbert/spark,zuotingbing/spark,BryanCutler/spark,sureshthalamati/spark,akopich/spark,zzcclp/spark,guoxiaolongzte/spark,panfengfeng/spark,ron8hu/spark,wzhfy/spark,maropu/spark,kissmetrics/spark,LantaoJin/spark,zhouyejoe/spark,pgandhi999/spark,JerryLead/spark,rikima/spark,minixalpha/spark,poffuomo/spark,aosagie/spark,kissmetrics/spark,jlopezmalla/spark,publicRoman/spark,SHASHANKB/spark,joseph-torres/spark,cin/spark,zhouyejoe/spark,xuanyuanking/spark,ibm-research-ireland/sparkoscope,bravo-zhang/spark,big-pegasus/spark,sachintyagi22/spark,aray/spark,JerryLead/spark,matthewfranglen/spark,actuaryzhang/spark,zero323/spark,Aegeaner/spark,liutang123/spark,UndeadBaneGitHub/spark,zhouyejoe/spark,SnappyDataInc/spark,kiszk/spark,zero323/spark,haowu80s/spark,someorz/spark,caneGuy/spark,facaiy/spark,SnappyDataInc/spark,ueshin/apache-spark,JoshRosen/spark,akopich/spark,big-pegasus/spark,spark-test/spark,huang1900/spark,hhbyyh/spark,joseph-torres/spark,jianran/spark,brad-kaiser/spark,janewangfb/spark,mdespriee/spark,hhbyyh/spark,bdrillard/spark,zuotingbing/spark,taroplus/spark,ibm-research-ireland/sparkoscope,spark-test/spark,panfengfeng/spark,Panos-Bletsos/spark-cost-model-optimizer,debugger87/spark,chuckchen/spark,ptkool/spark,xuanyuanking/spark,UndeadBaneGitHub/spark,Aegeaner/spark,bdrillard/spark,akopich/spark,brad-kaiser/spark,sahilTakiar/spark,shuangshuangwang/spark,minixalpha/spark,SHASHANKB/spark,gengliangwang/spark,patrick-nicholson/spark,chuckchen/spark,sachintyagi22/spark,hvanhovell/spark,chuckchen/spark,narahari92/spark,minixalpha/spark,MLnick/spark,panfengfeng/spark,shaneknapp/spark,liyichao/spark,nlalevee/spark,actuaryzhang/spark,michalsenkyr/spark,JerryLead/spark,rikima/spark,aokolnychyi/spark,highfei2011/spark,panfengfeng/spark,actuaryzhang/spark,rezasafi/spark,xuanyuanking/spark,debugger87/spark,eyalfa/spark,dbtsai/spark,Panos-Bletsos/spark-cost-model-optimizer,rekhajoshm/spark,aray/spark,dongjoon-hyun/spark,gioenn/xSpark,kimoonkim/spark,apache-spark-on-k8s/spark,sahilTakiar/spark,shubhamchopra/spark,markhamstra/spark,shubhamchopra/spark,mdespriee/spark,ddna1021/spark,vinodkc/spark,jlopezmalla/spark,stanzhai/spark,mike0sv/spark,SHASHANKB/spark,ericvandenbergfb/spark,pronix/spark,Panos-Bletsos/spark-cost-model-optimizer,joseph-torres/spark,ericvandenbergfb/spark,shuangshuangwang/spark,ptkool/spark,andrewor14/spark,ioana-delaney/spark,ConeyLiu/spark,JoshRosen/spark,stanzhai/spark,MLnick/spark,liutang123/spark,saltstar/spark,ConeyLiu/spark,aosagie/spark,hhbyyh/spark,highfei2011/spark,wzhfy/spark,gengliangwang/spark,kimoonkim/spark,kimoonkim/spark,pgandhi999/spark,saturday-shi/spark,xflin/spark,goldmedal/spark,MLnick/spark,huang1900/spark,shaneknapp/spark,szhem/spark,vinodkc/spark,ptkool/spark,rednaxelafx/apache-spark,rednaxelafx/apache-spark,witgo/spark,caneGuy/spark,nilsgrabbert/spark,tejasapatil/spark,kissmetrics/spark,UndeadBaneGitHub/spark,lvdongr/spark,dongjoon-hyun/spark,setjet/spark,ericvandenbergfb/spark,zhouyejoe/spark,publicRoman/spark,actuaryzhang/spark,shuangshuangwang/spark,gengliangwang/spark,Panos-Bletsos/spark-cost-model-optimizer,sureshthalamati/spark,akopich/spark,dhruve/spark,jiangxb1987/spark,bOOm-X/spark,pronix/spark,nchammas/spark,sureshthalamati/spark,adrian-ionescu/apache-spark,byakuinss/spark,UndeadBaneGitHub/spark,nilsgrabbert/spark,kimoonkim/spark,wangyum/spark,pronix/spark,JoshRosen/spark,taroplus/spark,shubhamchopra/spark,cloud-fan/spark,saturday-shi/spark,patrick-nicholson/spark,cloud-fan/spark,zuotingbing/spark,highfei2011/spark,SnappyDataInc/spark,highfei2011/spark,mahak/spark,darionyaphet/spark,WindCanDie/spark,ueshin/apache-spark,metamx/spark,liyichao/spark,ahnqirage/spark,debugger87/spark,lxsmnv/spark,BryanCutler/spark,HyukjinKwon/spark,liutang123/spark,kevinyu98/spark,darionyaphet/spark,1haodian/spark,bravo-zhang/spark,pgandhi999/spark,aosagie/spark,saturday-shi/spark,lxsmnv/spark,akopich/spark,jrshust/spark,haowu80s/spark,chuckchen/spark,dongjoon-hyun/spark,highfei2011/spark,skonto/spark,panfengfeng/spark,bravo-zhang/spark,gioenn/xSpark,someorz/spark,maropu/spark,esi-mineset/spark,sahilTakiar/spark,dbtsai/spark,JerryLead/spark,setjet/spark,wangyum/spark,haowu80s/spark,zero323/spark,witgo/spark,goldmedal/spark,markhamstra/spark,setjet/spark,liutang123/spark,jkbradley/spark,jkbradley/spark,minixalpha/spark,aosagie/spark,actuaryzhang/spark,apache/spark,andrewor14/spark,guoxiaolongzte/spark,andrewor14/spark,eyalfa/spark,mzl9039/spark,wangyum/spark,yanboliang/spark,jkbradley/spark,spark-test/spark,guoxiaolongzte/spark,stanzhai/spark,sahilTakiar/spark,UndeadBaneGitHub/spark,sachintyagi22/spark,liyichao/spark,map222/spark,poffuomo/spark,dbtsai/spark,milliman/spark,tejasapatil/spark,kiszk/spark,1haodian/spark,aosagie/spark,JoshRosen/spark,jlopezmalla/spark,WindCanDie/spark,jkbradley/spark,andre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