java - CardLayout - how to change name of component -

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is there way change name of panel added panel cardlayout? want use show method without having use name gave panel when added main panel.

jpanel panel = new jpanel(); add(panel, "0"); show(this, "0"); ...              // change name of panel "1" show(this, "1"); // can show panel 

    // original cardpanel1 name "card1"      cardlayout lay = (cardlayout)parentpanel.getlayout();     lay.removelayoutcomponent(cardpanel1);     lay.addlayoutcomponent(cardpanel1, "card4");      // cardpanel1 can shown using "card4" name

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