JavaScript programming problem

You can enter a certain period of a day, this day is judgment day of the year?

<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <Title> Test </ title>
    </head>

    <body>
        <script>
            // pop-up year, month, date input box, statement date, and assign 
            var the y-= parseInt (prompt ( "Please enter your year of birth" ));
             var m = parseInt (prompt ( "Please enter your birth month " ));
             var d = parseInt (prompt (" Please enter your date of birth " ));

            // time entered as the end time, the last day of the previous year as the starting time. 
            // new new a Date (year, month The, DATE), month The value range is 0 to 11, 0 representing January, 11 table represents Dec; 
            var endDate = new new a Date (Y, m -. 1 , D);
             // DATE from the beginning, if the writing is 0, the previous day 
            var startDate = new new a Date (Y, 0, 0 );

            // Both calculating the difference between the calculated interval. new Date () involved in the calculation are automatically converted to a number of milliseconds from the start 1970.1.1 
            var Days = (endDate - startDate) / 1000/60/60/24 ;

            document.write ( "the first day of the year" + days + "days" );
         </ Script>
    </body>

</html>

MySQL programming problems

Goods contained in the database named library Specification List Content commodity and commodity property table Property, their definitions are: Content (Code varchar (50), Class varchar (20), Price double, Number int) Property (Code varchar (50), Place varchar (20), Brand varchar (50))

(1) write the following query of action; SELECT Distinct Brand FROM Property;A: Property query from a table of all the different brands (2) check out the highest price for each type of merchandise from the merchandise specification sheets SELECT Class,max(Price) FROM Content GROUP BY Class;(3) check out the same merchandise from the specification sheet All categories of goods more than one category nameSELECT Class FROM Content GROUP BY Class HAVING COUNT(Class)>1;

Java programming problem

Print out the following pattern (diamonds).

   *
  ***
 *****
*******
 *****
  ***
   *

package test;

/**
 * @author CUI
 *
 * / 
Public  class TL9 {
     public  static  void Print ( int n-) {
         // first pattern to look into two parts, a rule before the four lines, three lines after a rule for using a double loop, the first layer control line, the first L2C column.
        // first four rows 
        for ( int I =. 1; I <= n-; I ++ ) {
             for ( int J =. 1; J <= n-- I; J ++ ) {
                System.out.print(" ");
            }

            for (int k = 1; k <= 2*i -1; k++) {
                System.out.print("*");
            }
            System.out.println();
        }
        // three lines 
        for ( int I =. 1; I <n-; I ++ ) {

            for (int j = 1; j <= i; j++) {
                System.out.print(" ");
            }
            for (int k = 1; k <= 2*(n-i) - 1; k++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }



    public static void main(String[] args) {
        print(4);
    }
}

Daily programming literacy 10

JavaScript programming problem

MySQL programming problems

Java programming problem

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