What is the difference between session and cookie?? Xiaobai came to tell you

conversation :

A call between browser and server , It's the customer and Web A series of interactions between servers

   
        // sission:  Effective in a conversation 
        // invalidate(String key) ==>>  Set up session Object invalidation 
        //  remove session ==>> removeAttrbute()
        //  Every session For a window , For each browser session Is not the same , Open a new window through hyperlinks ,session unchanged 
        // cookie object : Effective in a conversation , And all stored are texts 
        // Cookie cookid = new Cookie("myName"," Cao xueqin ");
        //  Set up Cookie Failure time , The unit is in seconds 
        // cookie.setMaxAge(10); 
        //  write in Cookie:
        // reponse.addCookie(cookie);
       

session Is based on cookie Realized , So if cleared cookie be session It's gone ;