//《數據結構（Java版）（第4版）》，作者：葉核亞，2014年9月18日，JDK?8.11
//§1.1.3???數據類型與抽象數據類型
//【實驗1-1】??復數類。

public?class?Complex
{
????private?double?realimag;??????????????????????????????//實部，虛部
//????public?double?realimag;
????public?Complex（double?real?double?imag）???????????????//構造方法
????{
????????this.real?=?real;
????????this.imag?=?imag;
????}
????public?Complex（double?real）????????????????????????????//構造方法重載
????{
????????this（real0）;
????}
????public?Complex（）
????{
????????this（00）;
????}
????public?Complex（Complex?c）??????????????????????????????//拷貝構造方法，復制對象
????{
????????this（c.realc.imag）;???????????????????????????????//c==null時，拋出空對象異常，下同
????}
????
????//若public?double?realimag;，以下4個方法可省略
????public?double?getReal（）?????
????{
????????return?this.real;
????}
????public?void?setReal（double?real）
????{
????????this.real?=?real;
????}
????public?double?getImag（）
????{
????????return?this.imag;
????}
????public?void?setImag（double?imag）
????{
????????this.imag?=?imag;
????}
????
????public?String?toString（）???????????????????????????????//對象的字符串描述，
????{??????????????????????????????????????????????????????//覆蓋object類的toString（）方法
????????return?“（“+this.real+“+“+this.imag+“i）“;
????}
????
????public?void?add（Complex?c）?????????????????????????????//兩個對象相加，改變當前對象
????{
????????this.real?+=?c.real;
????????this.imag?+=?c.imag;
????}
????
????public?static?Complex?add（Complex?c1?Complex?c2）??????//返回兩個對象相加后的對象，重載，靜態方法
????{
????????return?new?Complex（c1.real+c2.real?c1.imag+c2.imag）;
????}
????
????public?void?subtract（Complex?c）????????????????????????//兩個對象相減，改變當前對象
????{
????????this.real?-=?c.real;
????????this.imag?-=?c.imag;
????}
????
????public?static?Complex?subtract（Complex?c1?Complex?c2）?//返回兩個對象相減后的對象，重載，靜態方法
????{
????????return?new?Complex（c1.real-c2.real?c1.imag-c2.imag）;
????}
????
????public?boolean?equals（object?obj）??????????????????????//比較兩個對象是否相等
????{??????????????????????????????????????????????????????//覆蓋object類的equals（obj）方法
????????if?（this==obj）
????????????return?true;
????????if?（obj?instanceof?Complex）
????????{
????????????Complex?c=（Complex）obj;
????????????return?this.real==c.real?&&?this.imag==c.imag;
????????}
????????return?false;
????}?
}

class?Complex__ex
{
????public?static?void?main（String?args[]）
????{
????????Complex?c1?=?new?Complex（12）;
????????Complex?c2?=?new?Complex（35）;
????????Complex?c3?=?Complex.add（c1c2）;???????????????????//返回新創建對象
????????System.out.println（c1+“?+?“+c2+“?=?“+c3）;

????????c1.add（c2）;
????????System.out.println（“c1=“+c1）;
????????System.out.println（“c1==c3??“+（c1==c3））;
????????System.out.println（“c1.equals（c3）??“+c1.equals（c3））;
????}?
}

/*
程序運行結果如下：
（1.0+2.0i）?+?（3.0+5.0i）?=?（4.0+7.0i）
c1=（4.0+7.0i）
c1==c3??false
c1.equals（c3）??true

*/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-09-10?23:09??[數據結構（Java版）（第4版）][葉核亞][習題解答]\
?????目錄???????????0??2015-09-10?23:08??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\
?????文件?????????232??2014-09-18?14:18??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\.classpath
?????文件?????????402??2014-09-18?14:18??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\.project
?????目錄???????????0??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\bin\
?????文件????????1947??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\bin\Complex.class
?????文件????????1314??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\bin\Complex__ex.class
?????文件?????????655??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\bin\Set.class
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\src\
?????文件????????3084??2014-12-23?16:21??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\src\Complex.java
?????文件????????1821??2014-12-23?16:21??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.1.3??抽象數據類型\src\Set.java
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\
?????文件?????????232??2014-05-02?15:00??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\.classpath
?????文件?????????423??2014-10-13?12:35??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\.project
?????目錄???????????0??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\bin\
?????文件????????1145??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\bin\Gcd.class
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\src\
?????文件?????????972??2015-02-26?08:54??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.3】最大公約數\src\Gcd.java
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\
?????文件?????????232??2014-05-03?15:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\.classpath
?????文件?????????423??2014-10-16?08:36??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\.project
?????目錄???????????0??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\bin\
?????文件????????1918??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\bin\Array1.class
?????文件????????1041??2015-04-16?12:15??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\bin\Random.class
?????目錄???????????0??2014-12-19?10:27??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\src\
?????文件????????2479??2015-04-08?20:04??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\src\Array1.java
?????文件?????????815??2015-04-04?09:33??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.2.3??算法設計【例1.4】隨機數集合\src\Random.java
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.3?JDK\
?????目錄???????????0??2014-11-07?21:38??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.3?JDK\myjava\
?????文件?????????923??2011-04-20?10:52??[數據結構（Java版）（第4版）][葉核亞][習題解答]\2.1?例題\01.3?JDK\myjava\Gcd.class
............此處省略641個文件信息