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在方法之外声明整数? import java.util.Scanner; 公共类输入测试{ 静态虚空怪物(){ System.out.println(“你遇到了一个怪物!”); 系统输出println(“他造成了10点伤害!”); 健康-=10; System.out.println(“您有“+health+”health left!”); } 静空药水(){ System.out.println(“你碰上了药剂!”); System.out.println(“它治愈了10点伤害!”); 健康+=10; System.out.println(“您有“+health+”health left!”); } 静态真空袋(){ System.out.println(“你撞到一个包里了!”); System.out.println(“它什么都没做!”); } 静态空洞随机(){ double random=Math.random(); if(random>=0&&random=0.24&&random_Java_Variables_Integer_Declaration - Fatal编程技术网

在方法之外声明整数? import java.util.Scanner; 公共类输入测试{ 静态虚空怪物(){ System.out.println(“你遇到了一个怪物!”); 系统输出println(“他造成了10点伤害!”); 健康-=10; System.out.println(“您有“+health+”health left!”); } 静空药水(){ System.out.println(“你碰上了药剂!”); System.out.println(“它治愈了10点伤害!”); 健康+=10; System.out.println(“您有“+health+”health left!”); } 静态真空袋(){ System.out.println(“你撞到一个包里了!”); System.out.println(“它什么都没做!”); } 静态空洞随机(){ double random=Math.random(); if(random>=0&&random=0.24&&random

在方法之外声明整数? import java.util.Scanner; 公共类输入测试{ 静态虚空怪物(){ System.out.println(“你遇到了一个怪物!”); 系统输出println(“他造成了10点伤害!”); 健康-=10; System.out.println(“您有“+health+”health left!”); } 静空药水(){ System.out.println(“你碰上了药剂!”); System.out.println(“它治愈了10点伤害!”); 健康+=10; System.out.println(“您有“+health+”health left!”); } 静态真空袋(){ System.out.println(“你撞到一个包里了!”); System.out.println(“它什么都没做!”); } 静态空洞随机(){ double random=Math.random(); if(random>=0&&random=0.24&&random,java,variables,integer,declaration,Java,Variables,Integer,Declaration,将health设置为类级静态变量 import java.util.Scanner; public class InputTest { static void monster() { System.out.println("You ran into a monster!"); System.out.println("He did 10 damage!"); health -= 10; System.out.println("You have " + hea

将health设置为类级静态变量

    import java.util.Scanner;
public class InputTest {
static void monster() {
    System.out.println("You ran into a monster!");
    System.out.println("He did 10 damage!");
    health -= 10;
    System.out.println("You have " + health + " health left!");
}
static void potion() {
    System.out.println("You ran into a potion!");
    System.out.println("It healed 10 damage!");
    health += 10;
    System.out.println("You have " + health + " health left!");
}
static void bag() {
    System.out.println("You ran into a bag!");
    System.out.println("It did... Nothing!");
}
static void random() {
    double random = Math.random();
    if(random >= 0 && random <= 0.33) {
        monster();
    } else if(random >= 0.24 && random <= 0.66) {
        potion();
    } else {
        bag();
    }
}
static void turn() {
    System.out.println("Do you want to go left or right?");
    Scanner turn = new Scanner(System.in);
    String leftOrRight = turn.nextLine();
    if(leftOrRight.equals("Right")) {
        System.out.println("You turned right and...");
        random();
    } else if(leftOrRight.equals("Left")){
        System.out.println("You turned left and...");
        random();
    } else {
        System.out.println("You entered an invalid answer...");
        System.exit(0);
    }
}
public static void main(String[] args) {
    int health = 50;
    for(int i = 0; i < 10; i++) {
        turn();
    }
    System.out.println("You won!");
    }
}

请尝试以下代码:

import java.util.Scanner;
public class InputTest {
     private static int health = 50;

     /*rest of the methods as they are*/

}
import java.util.Scanner;
公开课考试{
私有静态int-health=50;
公共静态void main(字符串[]args){
对于(int i=0;i<10;i++){
转动();
}
System.out.println(“你赢了!”);
}
静态虚空怪物(){
System.out.println(“你遇到了一个怪物!”);
系统输出println(“他造成了10点伤害!”);
健康-=10;
System.out.println(“您有“+health+”health left!”);
}
静空药水(){
System.out.println(“你碰上了药剂!”);
System.out.println(“它治愈了10点伤害!”);
健康+=10;
System.out.println(“您有“+health+”health left!”);
}
静态真空袋(){
System.out.println(“你撞到一个包里了!”);
System.out.println(“它什么都没做!”);
}
静态空洞随机(){
double random=Math.random();

如果(随机>=0&&random=0.24&&random,请参见下面修改的代码

import java.util.Scanner;

public class Test {
    private static int health = 50;

    public static void main(String[] args) {

        for (int i = 0; i < 10; i++) {
            turn();
        }
        System.out.println("You won!");
    }

    static void monster() {
        System.out.println("You ran into a monster!");
        System.out.println("He did 10 damage!");
        health -= 10;
        System.out.println("You have " + health + " health left!");
    }

    static void potion() {
        System.out.println("You ran into a potion!");
        System.out.println("It healed 10 damage!");
        health += 10;
        System.out.println("You have " + health + " health left!");
    }

    static void bag() {
        System.out.println("You ran into a bag!");
        System.out.println("It did... Nothing!");
    }

    static void random() {
        double random = Math.random();
        if (random >= 0 && random <= 0.33) {
            monster();
        } else if (random >= 0.24 && random <= 0.66) {
            potion();
        } else {
            bag();
        }
    }

    static void turn() {
        System.out.println("Do you want to go left or right?");
        Scanner turn = new Scanner(System.in);
        String leftOrRight = turn.nextLine();
        // turn.close();
        if (leftOrRight.equals("Right")) {
            System.out.println("You turned right and...");
            random();
        } else if (leftOrRight.equals("Left")) {
            System.out.println("You turned left and...");
            random();
        } else {
            System.out.println("You entered an invalid answer...");
            System.exit(0);
        }
    }
}
import java.util.Scanner;
公共类输入测试{
私有静态int-health=50;
静态虚空怪物(){
System.out.println(“你遇到了一个怪物!”);
系统输出println(“他造成了10点伤害!”);
健康-=10;
System.out.println(“您有“+health+”health left!”);
}
静空药水(){
System.out.println(“你碰上了药剂!”);
System.out.println(“它治愈了10点伤害!”);
健康+=10;
System.out.println(“您有“+health+”health left!”);
}
静态真空袋(){
System.out.println(“你撞到一个包里了!”);
System.out.println(“它什么都没做!”);
}
静态空洞随机(){
double random=Math.random();

如果(random>=0&&random=0.24&&random使
health
成为一个全局变量。因此,在monster方法上方,执行
public int health=50;
。您可以让这些方法使用main中定义的health。然后为
health
@Ascalonian No.创建一个getter/setter。使
health
成为一个静态类参数。
静态int thealth=50;
@MikeCAT-为什么要将其设置为静态?@Ascalonian,因为它是从静态函数中使用的,没有创建实例。嗨,德里克,欢迎使用SO。请以后尝试发布一个。这会让其他人更容易回答您的问题。
静态变量
-所以请这么做谢谢大家,它现在可以工作了,只需稍作调整。(:@ScaryWombat为什么在这里需要static?因为从静态方法调用它。
import java.util.Scanner;

public class InputTest {
    private static int health = 50;
    static void monster() {
        System.out.println("You ran into a monster!");
        System.out.println("He did 10 damage!");
        health -= 10;
        System.out.println("You have " + health + " health left!");
    }

    static void potion() {
        System.out.println("You ran into a potion!");
        System.out.println("It healed 10 damage!");
        health += 10;
        System.out.println("You have " + health + " health left!");
    }

    static void bag() {
        System.out.println("You ran into a bag!");
        System.out.println("It did... Nothing!");
    }

    static void random() {
        double random = Math.random();
        if (random >= 0 && random <= 0.33) {
            monster();
        } else if (random >= 0.24 && random <= 0.66) {
            potion();
        } else {
            bag();
        }
    }

    static void turn() {
        System.out.println("Do you want to go left or right?");
        Scanner turn = new Scanner(System.in);
        String leftOrRight = turn.nextLine();
        if (leftOrRight.equals("Right")) {
            System.out.println("You turned right and...");
            random();
        } else if (leftOrRight.equals("Left")) {
            System.out.println("You turned left and...");
            random();
        } else {
            System.out.println("You entered an invalid answer...");
            System.exit(0);
        }
    }

    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            turn();
        }
        System.out.println("You won!");
    }
}