Add subarray util class
Add subarray util class

jdk137/vizabi,logicerpsolution/vizabi,homosepian/vizabi,sergey-filipenko/vizabi,Gapminder/vizabi,acestudiooleg/vizabi,TBAPI-0KA/vizabi,acestudiooleg/vizabi,vizabi/vizabi,maximhristenko/vizabi,sergey-filipenko/vizabi,acestudiooleg/vizabi,Gapminder/vizabi,dab2000/vizabi,Gapminder/vizabi,maximhristenko/vizabi,maximhristenko/vizabi,Rathunter/vizabi,IncoCode/vizabi,sergey-filipenko/vizabi,homosepian/vizabi,buchslava/vizabi,Rathunter/vizabi,dab2000/vizabi,Rathunter/vizabi,IncoCode/vizabi,IncoCode/vizabi,vizabi/vizabi,TBAPI-0KA/vizabi,buchslava/vizabi,alliance-timur/vizabi,alliance-timur/vizabi,TBAPI-0KA/vizabi,jdk137/vizabi,buchslava/vizabi,jdk137/vizabi,dab2000/vizabi,alliance-timur/vizabi,logicerpsolution/vizabi,homosepian/vizabi,logicerpsolution/vizabi