thisclassconsistsofstaticutilitymethodsforoperatingonobjects。
oneofsuchmethodsisobjects.is null (。
myunderstandingisthatobjects.is null (wouldremovethechanceofaccidentallyassigninganullvaluetoobjectbyomitttingthesecond=.
However，the API Note states:
thismethodexiststobeusedasapredicate，filter(Objects3360:isnull ) )。
wouldtherebeanyreason/circumstanceforwhichishoulduseobject==nulloverobjects.is null (inanifstatement？
should objects.is null (beconfinedtopredicatesexclusively？
shoulduseobject==nulloverobjects.is null (inaifstatement？
ifyoulookatthesourcecodeofisnullmethod，
/* returnstrueiftheprovidedreferenceisnullotherwisereturnsfalse.* /
publicstaticbooleanisnull (objectobj ) {
返回obj==null；
}
itis the same.thereisnodifference.soyoucanuseitsafely。