6-1節(jié)關(guān)于重寫equals方法的問(wèn)題
對(duì)于Course的方法我沒(méi)有使用視頻講解的方法,而是采用了正常的get/set方法,但是在測(cè)試List的那節(jié)重寫equals方法中做第四個(gè)if的判斷時(shí)候,使用this關(guān)鍵字并不能夠像之前調(diào)用course的對(duì)象方法那樣出來(lái)getName(),我該如何解決?
public?class?Course?{
????private?String?id;
????private?String?name;
????public?Course(String?id,?String?name)?{
????????this.id?=?id;
????????this.name?=?name;
????}
????public?Course()?{
????}
????public?String?getName()?{
????????return?name;
????}
????public?void?setName(String?name)?{
????????this.name?=?name;
????}
????public?String?getId()?{
????????return?id;
????}
????public?void?setId(String?id)?{
????????this.id?=?id;
????}
}public?boolean?equals(Object?object){
????if(this==object){
????????return?true;
????}
????if(object==null){
????????return?false;
????}
????if(!(object?instanceof?Course)){
????????return?false;
????}
????Course?course=?(Course)?object;
????if(this.)//這里沒(méi)有提示getName()只有g(shù)etClass()但是二者無(wú)論是自己寫上還是選中都會(huì)出現(xiàn)紅色的波浪線有錯(cuò)誤
????return?true;
}
2018-06-24
你不是在這個(gè)當(dāng)前Course.java下寫的嗎? private的屬性可以在類中使用,建議看一下java訪問(wèn)修飾符這一章節(jié)~