java - Why is Action Listener malfunctioning? -

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i developing basic tic tac toe game using java. supposed have 9 buttons in grid, , when click one, x appears. once you've clicked on button, kind of switch variable i should change value, next time click o appears. there no syntax errors, there problem. when click on button, x appear, when click on button, instead of o appearing, x appears again.
logical code.

 public void actionperformed (actionevent evt) {             int = 1;             boolean b1xon=false;             boolean b2xon=false;             boolean b3xon=false;             boolean b4xon=false;             boolean b5xon=false;             boolean b6xon=false;             boolean b7xon=false;             boolean b8xon=false;             boolean b9xon=false;             boolean b1oon=false;             boolean b2oon=false;             boolean b3oon=false;             boolean b4oon=false;             boolean b5oon=false;             boolean b6oon=false;             boolean b7oon=false;             boolean b8oon=false;             boolean b9oon=false;             boolean win=false;                  if ((evt.getsource() == b1) && (i == 1)) {                     b1.settext("x");                     i++;                     b1xon=true;                 }                 else if (evt.getsource() == b1 && == 2) {                     b1.settext("o");                     = 1;                     b1oon=true;                 }                 else if (evt.getsource() == b2 && == 1) {                     b2.settext("x");                     i++;                     b2xon=true;                 }                 else if (evt.getsource() == b2 && == 2) {                     b2.settext("o");                     = 1;                     b2oon=true;                 }                 else if (evt.getsource() == b3 && == 1) {                     b3.settext("x");                     i++;                     b3xon=true;                 }                 else if (evt.getsource() == b3 && == 2) {                     b3.settext("o");                     = 1;                     b3oon=true;                 }                 else if (evt.getsource() == b4 && == 1) {                     b4.settext("x");                     i++;                     b4xon=true;                 }                 else if (evt.getsource() == b4 && == 2) {                     b4.settext("o");                     = 1;                     b4oon=true;                 }                 else if (evt.getsource() == b5 && == 1) {                     b5.settext("x");                     i++;                     b5xon=true;                 }                 else if (evt.getsource() == b5 && == 2) {                     b5.settext("o");                     = 1;                     b5oon=true;                 }                 else if (evt.getsource() == b6 && == 1) {                     b6.settext("x");                     i++;                     b6xon=true;                 }                 else if (evt.getsource() == b6 && == 2) {                     b6.settext("o");                     = 1;                     b6oon=true;                 }                 else if (evt.getsource() == b7 && == 1) {                     b7.settext("x");                     i++;                     b7xon=true;                 }                 else if (evt.getsource() == b7 && == 2) {                     b7.settext("o");                     = 1;                     b7oon=true;                 }                 else if (evt.getsource() == b8 && == 1) {                     b8.settext("x");                     i++;                     b8xon=true;                 }                 else if (evt.getsource() == b8 && == 2) {                     b8.settext("o");                     = 1;                     b8oon=true;                 }                 else if (evt.getsource() == b9 && == 1) {                     b9.settext("x");                     i++;                     b9xon=true;                 }                 else if(evt.getsource() == b9 && i==1){                     b9.settext("o");                     = 1;                     b9oon=true;                 }                 if((b1xon&&b2xon&&b3xon)||(b4xon&&b5xon&&b6xon)||(b7xon&&b8xon&&b9xon)||(b1xon&&b4xon&&b7xon)||(b2xon&&b5xon&&b8xon)||(b3xon&&b6xon&&b9xon)||(b1xon&&b5xon&&b9xon)||(b3xon&&b5xon&&b7xon)){                  win=true;                 }                 else if((b1oon&&b2oon&&b3oon)||(b4oon&&b5oon&&b6oon)||(b7oon&&b8oon&&b9oon)||(b1oon&&b4oon&&b7oon)||(b2oon&&b5oon&&b8oon)||(b3oon&&b6oon&&b9oon)||(b1oon&&b5oon&&b9oon)||(b3oon&&b5oon&&b7oon)){                  win=true;                 }


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