Eighth training

jQuery programming problem

Please describe what jQuery can do?

1, a convenient way DOM elements;
2, dynamically modify page style;
3, DOM dynamically changing content;
4, in response to user interaction;
5, is made dynamic page;
6, unified ajax asynchronous refresh;

7, to simplify the operation of JavaScript;

MySQL programming problems

MySQL compared to other databases which features are?

MySQL is a small relational database management system, development of the Swedish company MySQL AB, now has been acquired by Sun, support Linux, MAC, Windows and other operating systems and other large databases Oracle, DB2, SQL Server and other phases such as weaker than some of the features. Its characteristics are:
1, can handle large data has tens of millions of records;
2, supports the common SQL statement norms;
3, line height portable, compact and easy to install;
4, good operating efficiency, there is a wealth of information network stand by;

5, commissioning, management, optimization simple (relative to other large databases);

Java programming problem

Chickens and rabbits into the same cage is one of China's famous ancient interesting question. About 1,500 years ago, "Sun Tzu Suan Jing" on the records of this interesting question. The book is described: "Today there are pheasant rabbit with cage, there are thirty-five, at ninety four-legged, ask each rabbit pheasant geometry?"
It means that four sentences: There are a number of chicken with rabbit in one cage, from the top, with a head 35; the number below 94 feet. Seek their own chickens and rabbits in a cage? Write Java programs to solve this problem.

Package Test; 

public  class ChickenRabbit { 

    public  static  void main (String [] args) {
         // a defined number of chickens as x, defined by the number of rabbits to Y 
        for ( int X = 0; X <= 35; X ++ ) {
             int Y 35 = - X; 

            IF (X + Y * 2 *. 4 == 94 ) { 
                System.out.println ( "cages with a" + x + "chickens, there are" + y + "rabbits." ); 
            } 
        } 
    } 
}