单项选择题YouareconfiguringthedatasourceforanOracledatabase.YouwillneedtospecifyatesttableforWebLogictotestthestatusofthedatabase.Whichoptionshouldyouchoose?()
单项选择题Whatwritesthetext“”totheendofthefile“file.txt”?()
单项选择题publicclassX{publicstaticvoidmain(Stringargs){inta=newint[1]modify(a);System.out.printIn(a[0]);}publicstaticvoidmodify(inta){a[0]++;}}Whatistheresult?()
单项选择题classSuper{publicIntegergetLenght(){returnnewInteger(4);}}publicclassSubextendsSuper{publicLongGetLenght(){returnnewLong(5);}publicstaticvoidmain(String[]args){Supersooper=newSuper();Subsub=newSub();System.out.println(sooper.getLenght().toString()+,”+sub.getLenght().toString());}}Whatistheoutput?()A.4,4B.4,5C.5,4D.5,5E.Compilationfails.
单项选择题publicclassArrayTest{publicstaticvoidmain(String[]args){floatfl[],f2[];fl=newfloat[10];f2=f1;System.out.println(f2[0]=+f2[0]);}}Whatistheresult?()