JAVA need get some information about bitcoin

[Sanka555]

im only novice in JAVA

i have some request https://api.blockchair.com/bitcoin/addresses/balances?addresses=1HhzKJrgo9RjXbHsUFv2UtBtBr12wzCFjA

and i need to now is there ballans>0 ?


1) how i can do in JAVA?

2) if i do https://api.blockchair.com/bitcoin/addresses/balances?addresses=34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo in browser i see 16542705269438
 if i do https://api.blockchair.com/bitcoin/addresses/balances?addresses=1HhzKJrgo9RjXbHsUFv2UtBtBr12wzCFjA i see only  data[] why?

3) can i do request many times? million per minute for example? Will work? won't they ban me?

[PawGo]

Take a look here:
https://github.com/PawelGorny/lostword/blob/master/src/main/java/com/pawelgorny/lostword/WorkerUnknownCheckAll.java