JAVA topic, seek solution, seek code! ! ! !

Private? Double? x，？ y；

Public? Point (double? x，？ Double? y){

This. x? =? x；

This. y? =? y；

}

Public? Double? Distance (point? p){

Return? Math.sqrt((p.x？ -? x)？ *? (p.x？ -? x)？ +? (p.y？ -? y)？ *? (p.y？ -? y))；

}

Public? String? toString(){

Return? "("? +? x？ +",?" +? y？ +")";

}

/**

? *? @param？ A parameter name

? */

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

//? Todo? Automatically generated? Method? cigarette end

Point? p 1？ =? New? Point (3,? 4);

Point? p2？ =? New? Point (5,? 6);

System.out.println("The？ Distance? Between? Point? ”？ +? p 1？ +? "? then what ”+? p2？ +? "? Is it? ”？ +? P 1. distance (p2)? +? ".");

}

}