第一个自己写的JAVA小程序——鼓励一…

public class day3_1 {

    String birth1,birth2,birth3,birth4;

    String day;

    String mouth;

    String year;

    int i;

    void method(){

    for(i=0;i<4;i++){

    if(i==0)

    birth1=day+"/"+mouth+"/"+year;

    else if(i==1)

        birth2=day+"-"+mouth+"-"+year;

    else if(i==3)

    birth3=year+"-"+mouth+"-"+day;

    else

    birth4=year+"年"+mouth+"月"+day+"日";

    }

       

    }

    void showResult(){

    System.out.println("Birthday: \n"+birth1+"\n"+birth2+"\n"+birth3+"\n"+birth4+"\n");

    }

    int toSting;

public static void main(String[] args) {

// TODO Auto-generated method stub

day3_1 Birthday=new day3_1();

Birthday.day="09";

Birthday.mouth="03";

Birthday.year="1987";

System.out.println("Birthday: ");

System.out.println(Birthday.year+"/"+Birthday.mouth+"/"+Birthday.day);

System.out.println(Birthday.year+"-"+Birthday.mouth+"-"+Birthday.day);

Birthday.method();

Birthday.showResult();

}

}