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<pre class="java" name="code"><pre class="java" name="code"><em>英雄类:</em><em>public class Dome4 {  //属性</em><em>  String name;  int num;  //方法</em><em> public void show1(){      System.out.println("我是英雄,我的基本信息如下:");      System.out.println("姓名:"+name+",生命值:"+num);  }</em><em>  武器类</em><em>  public class Dome5 {     </em><pre name="code" class="java"><em>  //属性</em><em>   String name;  int num;</em><pre name="code" class="java"><em> //方法</em><em>  <span style="font-family: Arial, Helvetica, sans-serif;">public void show1(){</span></em><em>  System.out.println("我是武器,我的基本信息如下:");      System.out.println("武器名:"+name+",攻击力l:"+num);  }}</em><em>怪物类</em><em>public class Dome6 {</em><pre name="code" class="java"><em> //属性</em><em>    String name;  int num;String name1; </em><pre name="code" class="java"><em> //方法</em><em> public void show1(){  System.out.println("我是怪物,我的基本信息如下:");      System.out.println("姓名:"+name+",生命值:"+num+",类型:"+name1);  }}测试类</em><em>public class Dome7 { main方法</em><em> public static void main(String[] args) {Dome4 ying=new Dome4();    ying.name="李小虾";ying.num=300;    ying.show1();Dome5 wu=new Dome5();</em><pre name="code" class="java"><pre name="code" class="java"><em> wu.name="死神镰刀";    wu.num=12;    wu.show1();Dome6 guai=new Dome6();    guai.name="小龟";    guai.name1="潜水类";    guai.num=300;    guai.show1();     }}</em>import java.util.*;import java.text.*;public class Dome2 { public double charge(String time1,String time2){double pay=0; SimpleDateFormat sd=new SimpleDateFormat("yyyy-MM-dd"); try{ Date date1 = sd.parse(time1); Date date2 = sd.parse(time2); pay=(date2.getTime()-date1.getTime())/(24*60*60*1000); }catch(ParseException e){ e.printStackTrace(); } System.out.println(pay); return pay; } public static void main(String[] args) {Scanner input=new Scanner (System.in);System.out.println("请输入:");String time1=input.next();System.out.println("请输入:");String time2=input.next();Dome2 v=new Dome2();v.charge(time1, time2);} }import java.util.*;public class Dome1 {    /**     *      * @param op     * @param num1     * @param num2     * @return     */public int ope(int op,int num1,int num2){   int result=0;   switch(op){   case 1:    result=num1+num2;   break;   case 2:    result=num1-num2;   break;   case 3:    result=num1*num2;   break;   case 4:    result=num1/num2;   break;      }   // System.out.print(result);   return result;   }/** *  * @param args */public static void main(String[] args) {     Scanner input=new Scanner(System.in);     Dome1 v=new Dome1();     System.out.print("请选择运算:1.加法2.减法3.乘法4.除法:");      int num=input.nextInt();      System.out.print("请输入第一个数:");      int num1=input.nextInt();      System.out.print("请输入第二个数:");      int num2=input.nextInt();      System.out.println("***运算结果为:"+v.ope(num,num1,num2));         }}

英雄类:public class Dome4 { //属性 String name; int num; //方法 public void show1(){ System.out.println("我是英雄,我的基本信息如下:"); System.out.println("姓名:"+name+",生命值:"+num); } 武器类 public class Dome5 { <pre name="code" class="java"> //属性 String name; int num;<pre name="code" class="java"> //方法 public void show1(){ System.out.println("我是武器,我的基本信息如下:"); System.out.println("武器名:"+name+",攻击力l:"+num); }}怪物类public class Dome6 {<pre name="code" class="java"> //属性 String name; int num;String name1; <pre name="code" class="java"> //方法 public void show1(){ System.out.println("我是怪物,我的基本信息如下:"); System.out.println("姓名:"+name+",生命值:"+num+",类型:"+name1); }}测试类public class Dome7 { main方法 public static void main(String[] args) {Dome4 ying=new Dome4(); ying.name="李小虾";ying.num=300; ying.show1();Dome5 wu=new Dome5();<pre name="code" class="java"><pre name="code" class="java"> wu.name="死神镰刀"; wu.num=12; wu.show1();Dome6 guai=new Dome6(); guai.name="小龟"; guai.name1="潜水类"; guai.num=300; guai.show1(); }}import java.util.*;import java.text.*;public class Dome2 { public double charge(String time1,String time2){double pay=0; SimpleDateFormat sd=new SimpleDateFormat("yyyy-MM-dd"); try{ Date date1 = sd.parse(time1); Date date2 = sd.parse(time2); pay=(date2.getTime()-date1.getTime())/(24*60*60*1000); }catch(ParseException e){ e.printStackTrace(); } System.out.println(pay); return pay; } public static void main(String[] args) {Scanner input=new Scanner (System.in);System.out.println("请输入:");String time1=input.next();System.out.println("请输入:");String time2=input.next();Dome2 v=new Dome2();v.charge(time1, time2);} }import java.util.*;public class Dome1 { /** * * @param op * @param num1 * @param num2 * @return */public int ope(int op,int num1,int num2){ int result=0; switch(op){ case 1: result=num1+num2; break; case 2: result=num1-num2; break; case 3: result=num1*num2; break; case 4: result=num1/num2; break; } // System.out.print(result); return result; }/** * * @param args */public static void main(String[] args) { Scanner input=new Scanner(System.in); Dome1 v=new Dome1(); System.out.print("请选择运算:1.加法2.减法3.乘法4.除法:"); int num=input.nextInt(); System.out.print("请输入第一个数:"); int num1=input.nextInt(); System.out.print("请输入第二个数:"); int num2=input.nextInt(); System.out.println("***运算结果为:"+v.ope(num,num1,num2)); }}

<em>英雄类:</em><em>public class Dome4 {  //属性</em><em>  String name;  int num;  //方法</em><em> public void show1(){      System.out.println("我是英雄,我的基本信息如下:");      System.out.println("姓名:"+name+",生命值:"+num);  }</em><em>  武器类</em><em>  public class Dome5 {     </em><pre name="code" class="java"><em>  //属性</em><em>   String name;  int num;</em><pre name="code" class="java"><em> //方法</em><em>  <span style="font-family: Arial, Helvetica, sans-serif;">public void show1(){</span></em><em>  System.out.println("我是武器,我的基本信息如下:");      System.out.println("武器名:"+name+",攻击力l:"+num);  }}</em><em>怪物类</em><em>public class Dome6 {</em><pre name="code" class="java"><em> //属性</em><em>    String name;  int num;String name1; </em><pre name="code" class="java"><em> //方法</em><em> public void show1(){  System.out.println("我是怪物,我的基本信息如下:");      System.out.println("姓名:"+name+",生命值:"+num+",类型:"+name1);  }}测试类</em><em>public class Dome7 { main方法</em><em> public static void main(String[] args) {Dome4 ying=new Dome4();    ying.name="李小虾";ying.num=300;    ying.show1();Dome5 wu=new Dome5();</em><pre name="code" class="java"><pre name="code" class="java"><em> wu.name="死神镰刀";    wu.num=12;    wu.show1();Dome6 guai=new Dome6();    guai.name="小龟";    guai.name1="潜水类";    guai.num=300;    guai.show1();     }}</em>import java.util.*;import java.text.*;public class Dome2 { public double charge(String time1,String time2){double pay=0; SimpleDateFormat sd=new SimpleDateFormat("yyyy-MM-dd"); try{ Date date1 = sd.parse(time1); Date date2 = sd.parse(time2); pay=(date2.getTime()-date1.getTime())/(24*60*60*1000); }catch(ParseException e){ e.printStackTrace(); } System.out.println(pay); return pay; } public static void main(String[] args) {Scanner input=new Scanner (System.in);System.out.println("请输入:");String time1=input.next();System.out.println("请输入:");String time2=input.next();Dome2 v=new Dome2();v.charge(time1, time2);} }import java.util.*;public class Dome1 {    /**     *      * @param op     * @param num1     * @param num2     * @return     */public int ope(int op,int num1,int num2){   int result=0;   switch(op){   case 1:    result=num1+num2;   break;   case 2:    result=num1-num2;   break;   case 3:    result=num1*num2;   break;   case 4:    result=num1/num2;   break;      }   // System.out.print(result);   return result;   }/** *  * @param args */public static void main(String[] args) {     Scanner input=new Scanner(System.in);     Dome1 v=new Dome1();     System.out.print("请选择运算:1.加法2.减法3.乘法4.除法:");      int num=input.nextInt();      System.out.print("请输入第一个数:");      int num1=input.nextInt();      System.out.print("请输入第二个数:");      int num2=input.nextInt();      System.out.println("***运算结果为:"+v.ope(num,num1,num2));         }}

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