souf

System.out.printf("你好啊%s","张三")

输出你好啊张三

System.out.printn()放在中间可以换行

System.out.printf("%s你好啊%s","张三","李四")

输出 张三你好啊李四

只有输出没有换行效果。

制作一个文字小游戏

创建一个文件夹

Javalianxi/src/com/zhizuo/text1

创建两个Java文件

Role.java

package com.wenzi.text1;

import java.util.Random;

public class Role {
    private String name;
    private int blood;
    private char gender;
    private String face;//长相是随机的
    String[] boyfaces = {"风流倜傥", "气宇轩昂", "样貌英俊", "五官端正", "相貌平平", "一塌糊涂", "面部狰狞", "凶神恶煞"};
    String[] girfaces = {"美轮绝换", "沉鱼落雁", "亭亭玉立", "身材姣好", "相貌平平", "一塌糊涂", "面部狰狞", "凶神恶煞"};

    //attack 攻击描述
    String[] attacks_desc = {
            "%s使出了一招【背心钉】，转到了对方的身后，一掌向%s背心的灵台穴拍去",
            "%s使出了一招【向龙有悔】，打出降龙十八掌的第十八掌，直击%s的胸膛",
            "%s大喊一声，身形下伏，一招【霹雷坠地】，锤向%s的双腿",
            "%s运气于掌，亦身兼掌心变得血红，一式【掌心雷】，推向%s",
            "%s上部抢身，招中套招，一招【连环巴掌】，抽的%s愤怒无比"
    };
    String[] injureds_desc = {
            "结果%s退了半步，毫发无伤",
            "结果给%s造成了一处瘀伤",
            "结果一击命中，%s痛的弯下了腰",
            "结果%s痛苦的冷哼一声，显然是受了内伤",
            "结果【轰】的一声，%s狂吐鲜血",
            "结果%s一声惨叫，像软泥一般瘫了下去"
    };
    public Role() {
    }

    public Role(String name, int blood, char gender) {
        this.name = name;
        this.blood = blood;
        this.gender = gender;
        setFace(gender);
    }

    public char getGender() {
        return gender;
    }

    public void setGender(char gender) {
        this.gender = gender;
    }

    public String getFace() {
        return face;
    }

    public void setFace(char gender) {
        Random r = new Random();
        //长相是随机的
        if (gender == '男') {
            //从boyface里面选择容貌
            int index = r.nextInt(boyfaces.length);
            this.face = boyfaces[index];
        } else if (gender == '女') {
            //从girface里面选择容貌
            int index = r.nextInt(girfaces.length);
            this.face = girfaces[index];
        } else {
            this.face = "面目狰狞";
        }
        this.face = face;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getBlood() {
        return blood;
    }

    public void setBlood(int blood) {
        this.blood = blood;
    }

    @Override
    public String toString() {
        return "Role{" +
                "name='" + name + '\'' +
                ", blood=" + blood +
                '}';
    }

    //定义一个方法用于攻击被人
    //思考谁攻击谁
    //Role r1 = new Role();
    //Role r2 = new Role();
    //r1.攻击r2
    //方法的调用者攻击参数
    public void attack(Role role) {
        Random r =new Random();
        int index = r.nextInt(attacks_desc.length);
        String KongFu = attacks_desc[index];

        //输出一个攻击的效果
        System.out.printf(KongFu,this.getName(),role.getName());
        System.out.println();
        //计算造成的上海1~20
        int hurt = r.nextInt(20) + 1;
        //修改一下挨揍人的血量
        //剩余血量
        int remainBoold = role.getBlood() - hurt;
        //对剩余血量做一个验证，如果为负数了，就修改为0
        remainBoold = remainBoold < 0 ? 0 : remainBoold;
        //修改血量
        role.setBlood(remainBoold);
        //受伤的描述
        //血量>90 0索引的描述
        //血量80~90 1索引描述
        if(remainBoold > 90 ){
            System.out.printf(injureds_desc[0], role.getName());
        }else if (remainBoold > 80){
            System.out.printf(injureds_desc[1], role.getName());
        }else if (remainBoold > 60){
            System.out.printf(injureds_desc[2], role.getName());
        }else if (remainBoold > 30){
            System.out.printf(injureds_desc[3], role.getName());
        }else if (remainBoold > 0){
            System.out.printf(injureds_desc[4], role.getName());
        }else {
            System.out.printf(injureds_desc[5], role.getName());
        }
        System.out.println();
    }

    public void showRoleInfo() {
        System.out.println("姓名为：" + getName());
        System.out.println("血量为：" + getBlood());
        System.out.println("性别为：" + getGender());
        System.out.println("长相为：" + getFace());

    }
}

 GameTest.java

 

package com.wenzi.text1;

public class GameTest {
    public static void main(String [] args) {
        //创建第一个角色
        Role r1 = new Role("乔峰", 100,'男');
        //创建第二个角色
        Role r2 = new Role("东方不败", 100,'女');
        //展示角色的信息
        r1.showRoleInfo();
        r2.showRoleInfo();
        //战斗开始回合
        while (true){
            r1.attack(r2);
            //判断r2的血量
            if (r2.getBlood() == 0) {
                System.out.println(r1.getName() + "ko了" + r2.getName());
                break;
            }

            //r2攻击r1
            r2.attack(r1);
            if (r1.getBlood() == 0) {
                System.out.println(r2.getName() + "ko了" + r1.getName());
                break;
            }
        }
    }
}

 这里的Java基础主要是考察的get和set方法的使用，其中的souf可以进行名字的传入，让这个看起来更加的生动

运行结果