Fixes to new Java API intro docs (#1860)
Fixes to new Java API intro docs (#1860)


nkurihar/pulsar,ArvinDevel/incubator-pulsar,ArvinDevel/incubator-pulsar,jai1/pulsar,massakam/pulsar,jai1/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,yahoo/pulsar,merlimat/pulsar,merlimat/pulsar,nkurihar/pulsar,merlimat/pulsar,jai1/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,yahoo/pulsar,massakam/pulsar,merlimat/pulsar,jai1/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,nkurihar/pulsar,yahoo/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,ArvinDevel/incubator-pulsar,jai1/pulsar,jai1/pulsar,nkurihar/pulsar,jai1/pulsar,yahoo/pulsar,massakam/pulsar,merlimat/pulsar,merlimat/pulsar,massakam/pulsar,jai1/pulsar,yahoo/pulsar,jai1/pulsar,yahoo/pulsar,ArvinDevel/incubator-pulsar,nkurihar/pulsar,massakam/pulsar,massakam/pulsar