Regarding your first question: Bitcoinj has a CoinSelector interface you can implement. The defaut implementation always picks the oldest coins (UTXOs) first, but you can implement a different strategy if you want.
On 07/03/2019 07.06, jh...@seekerslab.com wrote: > For example > > Think , My A wallet have 1 BTC. > > If i try to send 0.6 BTC from A wallet to another Wallet, my bitcoinj > generate new B wallet. and change coin 0.4 will be sent to B wallet > > How can i send coin from specific address? and how can i keep change in > my A wallet ? > > Thank to read. > > -- > You received this message because you are subscribed to the Google > Groups "bitcoinj" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to bitcoinj+unsubscr...@googlegroups.com > <mailto:bitcoinj+unsubscr...@googlegroups.com>. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "bitcoinj" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoinj+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
