Java Calendar

 

Calendar ctemp=Calendar.getInstance();
     Calendar ccheckDate=Calendar.getInstance();
     Calendar ccheckInEnd=Calendar.getInstance();
     ccheckDate.setTime(checkDate);//Date 转 Calendar 
     ccheckInEnd.setTime(checkInEnd);

 

 

//calendar的set 和 get
      ctemp.set(Calendar.YEAR, ccheckDate.get(Calendar.YEAR));
      ctemp.set(Calendar.MONTH, ccheckDate.get(Calendar.MONTH));
      ctemp.set(Calendar.DATE, ccheckDate.get(Calendar.DATE));
      ctemp.set(Calendar.HOUR_OF_DAY, ccheckInEnd.get(Calendar.HOUR_OF_DAY));
      ctemp.set(Calendar.MINUTE, ccheckInEnd.get(Calendar.MINUTE));
      
       Date checkInEndTime = ctemp.getTime();//Calendar 转Date