Java - write JSON file | multiple JSON Records

I want to have line breaker after each data value, how to do that? eg Name and city are two values then city to be displayed in nextline

plz suggest how to maintain order

Why there is too many parenthesis ? En is there any way to avoid square brackets in the front en last

Thanks a lot man.

can u please tell me that u r putting first name, last name and then last website but here in json it is printing differently?