80.二零一八年三月十二日

  public static String myHeart(String yourWords){
    
    if("I love u".equals(yourWords)){
        return "I love u too";
    }else if(yourWords.contains("I")&&yourWords.contains("love")&&yourWords.contains("u")){
        return "I love u too";
    }else if(yourWords!=null){
        return "I love u too";
    }else{
        return "I love u,but u will never hear this";
    }
}