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单选题
程序: class MyDate{ private int year; private int month; private int day; public MyDate( int year, int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==(判断是否相等)new MyDate(1980,11,9) 返 回true,必须在Override Method处覆盖哪个方法?()
A
hashCode
B
equals
C
toString
D
notify
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更多 “单选题程序: class MyDate{ private int year; private int month; private int day; public MyDate( int year, int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==(判断是否相等)new MyDate(1980,11,9) 返 回true,必须在Override Method处覆盖哪个方法?()A hashCodeB equalsC toStringD notify” 相关考题
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考题
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有以下程序 #include<iostream> using namespace std; static int days []={31,28,31,30,31,30,3l,31,30,31,30,31}; class date { private: int month,day,year; public: date(int m,int d,int y) { month=m; day=d; year=y; } date() {} void disp() { cout<<year<<"-"<<month<<"-"<<day<<end1; } date operator+(int day) { date dt=*this; day+=dt.day; while(day>days[dt.month-1]) { day-=days[dt.month-1]; if(++dt.month==13) { dt.month=1; dt.year++; } } dt.day=day; retrn dt; } }; int main() { date d1(6,20,2004),d2; d2=d1+20; d2.disp(); return 0; } 执行后的输出结果是A.2004-7-10B.2004-6-20C.2004-7-20D.程序编译时出错
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阅读以下说明和C++程序,将应填入(n)处的字句写在对应栏内。【说明】下面程序的功能是计算并输出某年某月的天数,函数IsLeap Year()能够判断是否是闰年。【C++程序】include < iostream >using namespace std;(1) Month {Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec };class Date {public:Date( int year, Month m_ month) {this→year = year;if( (2) ) month: Jan;else month = m_ month;};~Date(){};bool IsLeap Year( ) {return ((year%4= =0 year% 100 ! =0)|| year%400= =0);};int CaculateDays( ) {switch(m_month ) {case (3) ;{if (4) return 29;else return 28;}case Jan: case Mar: case May: case Jul: case Aug: case Oct: case Dec: return 31;case Apr: case Jun: case Sop: case Nov: return 30;}}private:int year;Month month;};void main( ) {Date day(2000,Feb);cout < <day. (5) ( );}
考题
有以下程序: Class Date {public: Date(int y,int m,int d); {year=y; month=m; day=d;} Date(int y=2000) {year=y; month=10; day=1;) Date(Date D) {year=d.year; month=d.month; day=d.day;} void print() {cout<<year<<“.”<<moA.2B.3C.4D.5
考题
有下列语句: struct Birthday{public int year; public int month; public int day;}; struct Student{ int no; string name; int age; public Birthday bir; }; …… Student Stu; 如果要把Stu的出生年份赋值为1988,正确的语句是()A、 Stu.bir.year=1988;B、 Stu.year=1988;C、 Stu. Birthday.year=1988;D、 Student. Birthday.year=1988;
考题
程序: class MyDate{ private int year; private int month; private int day; public MyDate( int year, int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==(判断是否相等)new MyDate(1980,11,9) 返 回true,必须在Override Method处覆盖哪个方法?()A、 hashCodeB、 equalsC、 toStringD、 notify
考题
程序: class MyDate{ private int year; private int month; private int day; public MyDate(int year,int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==new MyDate(1980,11,9) 返回true,必须在Override Method处覆盖哪个方法?() A、 hashCodeB、 equalsC、 toStringD、 notify
考题
单选题程序: class MyDate{ private int year; private int month; private int day; public MyDate( int year, int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==(判断是否相等)new MyDate(1980,11,9) 返 回true,必须在Override Method处覆盖哪个方法?()A
hashCodeB
equalsC
toStringD
notify
考题
单选题程序: class MyDate{ private int year; private int month; private int day; public MyDate(int year,int month,int day){ this.year=year; this.month=month; this.day=day; } //Override Method } 为了让new MyDate(1980,11,9)==new MyDate(1980,11,9) 返回true,必须在Override Method处覆盖哪个方法?()A
hashCodeB
equalsC
toStringD
notify
考题
单选题有下列语句: struct Birthday{public int year; public int month; public int day;}; struct Student{ int no; string name; int age; public Birthday bir; }; …… Student Stu; 如果要把Stu的出生年份赋值为1988,正确的语句是()A
Stu.bir.year=1988;B
Stu.year=1988;C
Stu. Birthday.year=1988;D
Student. Birthday.year=1988;
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