class ctest6{

    public static void main(String args[]){
        Television tv1 = new Television();

        tv1.setChannel(1);

        tv1.setChannel("NHK");

        tv1.setChannel(3, "NHK総合");
    }
}

class Television{
    private int channelNo;
    private String housouKyoku;

    public void setChannel(int newChannelNo){
        channelNo = newChannelNo;

        if (newChannelNo == 1){
            housouKyoku = "FujiTV";
        }else if(newChannelNo == 3){
            housouKyoku = "NHK";
        }

        System.out.println("チャンネルが変更されました");
        dispChannelInfo();
    }

    public void setChannel(String newHousouKyoku){
        housouKyoku = newHousouKyoku;

        if (newHousouKyoku.equals("FujiTV")){
            channelNo = 1;
        }else if(newHousouKyoku.equals("NHK")){
            channelNo = 3;
        }

        System.out.println("放送局が変更されました");
        dispChannelInfo();
    }

    public void setChannel(int newChannelNo, String newHousouKyoku){
        channelNo = newChannelNo;
        housouKyoku = newHousouKyoku;

        System.out.println("チャンネルと放送局が変更されました");
        dispChannelInfo();
    }

    private void dispChannelInfo(){
        System.out.println("チャンネルNoは" + channelNo);
        System.out.println("放送局は" + housouKyoku);
    }