koumpi clear, noumera kai telestes sto button click.

Evala ena koumpi Clear pou katharizei to jTextField1, analoga me to pws
tha to proxorisoume tha to valw na svhnei kai to 2o an exoume telika 2.
Epishs evala na vgazei ta noumera kai tous telestes otan patas ta
koumpia kai na allazei grammh afou paththei o telesths(evala mono gia to
+) wste na paei o 2os arithmos ths prakshs sto 2o text field an to
krathsoume.
An den krathsoume to 2o textfield prepei na periorisoume kapws to 1o
sthn 1 praksh giati etsi opws einai twra vazeis kai 230 telestes an
theleis.
Etsi opws einai se mena h grammh pou allazei apo textfield1 se
textfield2 einai h 420(blaze it), an to kanoume etsi apla thelei copy
paste sto telos tou onclick kwdika tou kathe koumpiou telesth.