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Java编程语言学习路线
Java编程语言.xmind (156.6 KB)
package com.ceshiren;
public class Hero {
//英雄编号
private int bianHao;
//英雄姓名
private String name;
//英雄的血量
private int xueLiang;
//英雄的攻击力
private int gongjili;
//get方法
public int getBianHao() {
return bianHao;
}
public void setBianHao(int bianHao) {
this.bianHao = bianHao;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getXueLiang() {
return xueLiang;
}
public void setXueLiang(int xueLiang) {
this.xueLiang = xueLiang;
}
public int getGongjili() {
return gongjili;
}
public void setGongjili(int gongjili) {
this.gongjili = gongjili;
}
//set方法
//构造函数 有参构造、无参构造
public Hero() {
}
public Hero(int bianHao, String name, int xueLiang, int gongjili) {
this.bianHao = bianHao;
this.name = name;
this.xueLiang = xueLiang;
this.gongjili = gongjili;
}
//toString
@Override
public String toString() {
return "Hero{" +
"bianHao=" + bianHao +
", name='" + name + '\'' +
", xueLiang=" + xueLiang +
", gongjili=" + gongjili +
'}';
}
}
package com.ceshiren;
import java.util.Scanner;
//回合制游戏
public class Play {
public static void main(String args) {
while (true){
//主界面：
System.out.println(“--------欢迎来到回合制游戏--------”);
System.out.println(“1 创建英雄”);
System.out.println(“2 查看英雄信息”);
System.out.println(“3 查看英雄血量小于100的英雄名”);
System.out.println(“4 打斗”);
System.out.println(“5 修改英雄信息”);
System.out.println(“6 删除英雄”);
System.out.println(“7 退出系统”);
//Scanner
Scanner scanner = new Scanner(System.in);
//输入选择
String choice = scanner.nextLine();
switch (choice){
case "1":
System.out.println("创建英雄");
break;
case "2":
// …
System.out.println(“查看英雄信息”);
break;
case “3”:
System.out.println(“查看英雄血量小于100的英雄名”);
break;
case “4”:
System.out.println(“打斗”);
break;
case “5”:
System.out.println(“修改英雄信息”);
break;
case “6”:
System.out.println(“删除英雄”);
break;
case “7”:
System.exit(0);
}
}
}
}
这个地方选错了
private static void findLessThan100(List<Hero> heros) {
Stream<Hero> stream =heros.stream();
stream.forEach(x->{
if(x.getBlood()<100){
System.out.println("["+x.getName()+"]");
}
});
}
private static void findLessThan100(List<Hero> heros) {
//查看血量小于100的英雄名打印
//list集合的遍历
//根据条件获取到英雄对象后，打印英雄对象的姓名
int size = heros.size();
for (int i = 0; i < size; i++) {
if (heros.get(i).getHp() < 100){
System.out.println("血量小于100的英雄名是："+heros.get(i).getName());
}
}
}
private static void findLessThan100(List<Hero> heros) {
//查看血量小于100的英雄名打印
//list集合的遍历
//根据条件获取到英雄对象后，打印英雄对象的姓名
List<Hero> lessThan100List = new ArrayList<>();
int size = heros.size();
for (int i = 0; i < size; i++) {
// if (heros.get(i).getHp() < 100){
// System.out.println(“血量小于100的英雄名是：”+heros.get(i).getName());
// }
Hero hero = heros.get(i);
if (hero.getHp() < 100){
lessThan100List.add(hero);
}
for (Hero hero1 : lessThan100List) {
//这里比较的时候不知道怎么写了
Integer.compare(hero1,)
}
}
//stream流写法
//攻击力降序排序，姓名输出，比较两个整数：Integer.compare(a,b);
}