import java.util.Scanner;class Date
{
private int month;
private int day;
private int year;
public void setMonth(int month)
{
month=month;
}
public int getMonth()
{
return month;
}
public void setDay(int day)
{
day=day;
}
public int getDay()
{
return day;
}
public void setYear(int year)
{
year=year;
}
public int getYear()
{
return year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
}
}
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
int day1=0;
int month1=0;
int year1=0;
Date mydate=new Date();
System.out.println("Enter the digital:");
day1=input.nextInt();
month1=input.nextInt();
year1=input.nextInt();
mydate.displayMessage();
}
}
import java.util.Scanner;class Date
{
private int month;
private int day;
private int year;
public void setMonth(int month)
{
month=month;
}
public int getMonth()
{
return month;
}
public void setDay(int day)
{
day=day;
}
public int getDay()
{
return day;
}
public void setYear(int year)
{
year=year;
}
public int getYear()
{
return year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
}
}
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
int day1=0;
int month1=0;
int year1=0;
Date mydate=new Date();
System.out.println("Enter the digital:");
day1=input.nextInt();
month1=input.nextInt();
year1=input.nextInt();
mydate.displayMessage();
}
}
我编译通过了输入了12,11,2008三个数,执行项目后:
--------------------配置: <-------------------- Enter the digital:
12
11
2008
0/0/0
处理已完成。
随便输入三个数字,都是0/0/0
是没有调用displayMessage吗?
正确的应该怎样?请高手指点我一下
{
private int month;
private int day;
private int year;
public void setMonth(int month)
{
month=month;
}
public int getMonth()
{
return month;
}
public void setDay(int day)
{
day=day;
}
public int getDay()
{
return day;
}
public void setYear(int year)
{
year=year;
}
public int getYear()
{
return year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
}
}
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
int day1=0;
int month1=0;
int year1=0;
Date mydate=new Date();
System.out.println("Enter the digital:");
day1=input.nextInt();
month1=input.nextInt();
year1=input.nextInt();
mydate.displayMessage();
}
}
import java.util.Scanner;class Date
{
private int month;
private int day;
private int year;
public void setMonth(int month)
{
month=month;
}
public int getMonth()
{
return month;
}
public void setDay(int day)
{
day=day;
}
public int getDay()
{
return day;
}
public void setYear(int year)
{
year=year;
}
public int getYear()
{
return year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
}
}
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
int day1=0;
int month1=0;
int year1=0;
Date mydate=new Date();
System.out.println("Enter the digital:");
day1=input.nextInt();
month1=input.nextInt();
year1=input.nextInt();
mydate.displayMessage();
}
}
我编译通过了输入了12,11,2008三个数,执行项目后:
--------------------配置: <-------------------- Enter the digital:
12
11
2008
0/0/0
处理已完成。
随便输入三个数字,都是0/0/0
是没有调用displayMessage吗?
正确的应该怎样?请高手指点我一下
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{
private int month;
private int day;
private int year; public void setMonth(int month)
{
this.month=month;
}
public int getMonth()
{
return month;
}
public void setDay(int day)
{
this.day=day;
}
public int getDay()
{
return day;
}
public void setYear(int year)
{
this.year=year;
} public int getYear()
{
return year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
} }
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in); int day1=0;
int month1=0;
int year1=0;
Date mydate=new Date();
System.out.println("Enter the digital:");
day1=input.nextInt(); month1=input.nextInt(); year1=input.nextInt();
mydate.setDay(day1);
mydate.setMonth(month1);
mydate.setYear(year1); mydate.displayMessage();
} }
{
private int month;
private int day;
private int year;
public Date()
{
month=0;
day=0;
year=0;
}
public Date(int month,int day,int year)
{
month=month;
day=day;
year=year;
}
public void displayMessage()
{
System.out.printf("%d/%d/%d",getDay(),getMonth(),getYear());
}
}
public class DateTest
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in); int day1=0;
int month1=0;
int year1=0;
System.out.println("Enter the digital:");
day1=input.nextInt(); month1=input.nextInt(); year1=input.nextInt();
Date mydate=new Date(month1,day1,year1);
mydate.displayMessage();
} }
用构造函数,方便又简单.
public Date(int month,int day ,int year)
{
month=month;
day=day;
year=year;
}
Date mydate=new Date();
改为 Date mydate=new Date(day1,month1,year1);
怎么还是0/0/0 ?