What is the speed, to the nearest knot, of a sailboat sailing at a 90 angle to the wind?
ObjectClass Tuesday,January26,2016 2:26PM *Everyclasshasaparent,exceptforthe"root"class -TheobjectclassistherootofJavaclassinheritancehierarchy MethodsinObjectClass: -toStringmethod -toconvertanobjectintoaString -ex:overridingtoStringmethodinStudentclass: publicStringtoString() { return"ID:"+getID()+"\Name:"+getName(); } -equals method -ex:equalsmethodinStringclass Stringstr1="hello"; Stringstr2="Hi"; Stringstr3="Hello"; if(str1.equals(str2))samethingas:if(str1==str2) { ..... } ex: Circlec1=newCircle(5.0); Circlec2=newCircle(2.5); Circle