public static void main(String[] args){
   String today = "周末";
   String weather = "晴朗";
   if(today.equals("周末")){
   if(weather.equals("晴朗")){
    System.out.println("去室外游乐场玩");
   }else{
    System.out.println("去上班");
   } 
    
    
   }
 }   
}