java - Switch from panel into tabbedPane -

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i have tabbedpane contain 2 jpanel. 

tabbedpane = new jtabbedpane();  tabbedpane.addtab("main", null, mainpanel, "does nothing");     tabbedpane.setmnemonicat(0, keyevent.vk_1);  tabbedpane.addtab("report", null, reportpanel, "still nothing");

i'm in first panel , after operation pass second pannel (main -> report).

how can it?

jtabbedpane#setselectedindex(int index)


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