String st=JOptionPane.showInputDialog(null,"Enter 1 or 2\n1- if you have the value of resistance :\n2-if you have the colors of resistance : ");
        int choose=Integer.parseInt(st);
        int resisranceValue[]=new int []{0,1,2,3,4,5,6,7,8,9};
        String resistanceColor[]= new String[]{"black","brown","red","orange","yellow","green","blue","violet","gray","white"};
        String s,out=" ",color;
        int number;
        if(choose==1){
        for(int i=0;i<=2;i++){
        s=JOptionPane.showInputDialog(null,"enter the first number then second number then number of zero :");
            number=Integer.parseInt(s);
        for (int c=0;c<resisranceValue.length;c++){
            if(resisranceValue[c]==number)
            out+=resistanceColor[c]+"  ";
       
        }
        }
         JOptionPane.showMessageDialog(null,"the color resistance is : "+out);
        }
        else{
            for(int i=0;i<=2;i++){
        color=JOptionPane.showInputDialog(null,"enter the first color then second color then third color :\n    ( Forget gold or silver ) ");
        for(int c=0;c<resistanceColor.length;c++){
            if(resistanceColor[c].equals(color))
                out+=resisranceValue[c]+"  ";
        }
        }
        JOptionPane.showMessageDialog(null,"the value of resistance is : "+out);
        }