Import? Java . util . scanner；

/**

*? Created? By who? Chen? Open? 20 15/ 1 1/ 1 1.

*/

Public? Class? t？ {

Public? Static electricity Invalid? main(String[]？ args)？ {

int？ Temporary workers? =? 0;

Scanner? s？ =? New? Scanner (system. in);

System.out.print ("Please enter 3 integers");

int？ Answer? =? s . nextint()；

int？ b？ =? s . nextint()；

int？ c？ =? s . nextint()；

What if? (a？ & gt？ b)？ {

Temporary workers? =? a；

Answer? =? b；

b？ =? Temperature;

}

What if? (a？ & gt？ c)？ {

Temporary workers? =? a；

Answer? =? c；

c？ =? Temperature;

}

What if? (b？ & gt？ c)？ {

Temporary workers? =? b；

b？ =? c；

c？ =? Temperature;

}

System. Out.println ("the value of a:"? +? Answer? +? "the value of b:"? +? b？ +? "the value of c:"? +? c)；

}

}

The second question:

Import? Java . util . scanner；

/**

*? Created? By who? Chen? Open? 20 15/ 1 1/ 1 1.

*/

Public? Class? t？ {

Public? Static electricity Invalid? main(String[]？ args)？ {

int？ Temporary workers? =? 0;

Scanner? s？ =? New? Scanner (system. in);

System.out.print ("enter a number");

int？ Answer? =? s . nextint()；

if((a%3==0)||(a%5==0))

System.out.println ("This integer is a multiple of 3 or 5");

Or what? System.out.println (""This number cannot be divisible by any number of 3 or 5 "? );

}

}

The third question:

Import? Java . util . scanner；

/**

*? Created? By who? Chen? Open? 20 15/ 1 1/ 1 1.

*/

Public? Class? t？ {

Public? Static electricity Invalid? main(String[]？ args)？ {

int？ Price? =? 5000;

Scanner? s？ =? New? Scanner (system. in);

System.out.print ("Enter the booking month:");

int？ Month? =? s . nextint()；

What if? (month? & gt？ 0? & amp& amp？ Month? & lt？ 13)? {

What if? (month? & gt？ 3? & amp& amp？ Month? & lt？ 1 1)? {

System.out.println ("The ticket prices this month are as follows: first class"? +? Price? *? 0.9? +? "yuan" +? "?" ? +? "economy class"+? Price? *? 0.8);

}? Or what? System.out.println ("The ticket prices this month are as follows: first class"? +? Price? *? 0.5? +? "yuan" +? "?" ? +? "economy class"+? Price? *? 0.4);

}? Or what? System.out.println ("Please enter the correct month");

}

}