Bohemian life

package com.coffeeEx;

import java.util.Scanner;
 
public class CoffeeMachine {
 
       public static final int PRICE = 300;
       public static final int CONTENT_COFFEE = 5;
       public static final int CONTENT_MILK = 3;
       public static final int CONTENT_SUGAR = 1;
 
       private int coffee = 10;
       private int milk = 10;
       private int sugar = 10;
       private int amount;
 
       Scanner br;
 
       public CoffeeMachine(){
             br = new Scanner(System.in);
             proccess();
             print();
       }
 
       public void proccess(){
             while(true){
                    System.out.print("동전을 넣으세요(커피값 " + PRICE+"원): ");
                    if(!isSale(br.nextInt())){
                           break;
                    }
             }
       }
 
       public boolean isSale(int coin){
             if (coin < PRICE){
                    System.out.println("동전이 부족합니다.");
                    return false;
             }
             if (coffee < CONTENT_COFFEE){
                    System.out.println("커피가 부족합니다.");
                    return false;
             }
             if (milk < CONTENT_MILK){
                    System.out.println("프림이  부족합니다.");
                    return false;
             }
             if (sugar < CONTENT_SUGAR){
                    System.out.println("설탕이  부족합니다.");
                    return false;
             }
             processCoffee(coin);
             return true;
       }
      
       public void processCoffee(int coin){
             if(coin > PRICE){
                    System.out.println("거스름: "+ (coin -PRICE));
             }
             //커피차감
             setCoffee(getCoffee() - CONTENT_COFFEE);
             //프림차감
             setMilk(getMilk() - CONTENT_MILK);
             //설탕차감
             setSugar(getSugar() - CONTENT_SUGAR);
             setAmount(getAmount() + PRICE);
      
             System.out.println("맛 좋은 커피가 준비되었습니다.");
       }
 
       public void print(){
             System.out.println("======현재 자판기 정보======");
             System.out.println("커피양 : " + getCoffee());
             System.out.println("프림양 : " + getMilk());
             System.out.println("설탕양 : " + getSugar());
             System.out.println("보유금액 : " + getAmount());
       }           
       public static void main(String[] args){
             new CoffeeMachine();
       }
 
       public int getCoffee(){
             return coffee;
       }
       public void setCoffee(int coffee){
             this.coffee = coffee ;
       }
       public int getMilk(){
             return milk;
       }
       public void setMilk(int milk){
             this.milk = milk ;
       }
       public int getSugar(){
             return sugar;
       }
       public void setSugar(int sugar){
             this.sugar = sugar ;
       }
       public int getAmount(){
             return amount;
       }
       public void setAmount(int amount){
             this.amount = amount ;
       }
}

package com.coffee;
import java.util.Scanner;

public class CoffeeMachine {
 
 Scanner scan = new Scanner(System.in);
 protected int coffee = 10;
 protected int milk = 10;
 protected int suger =10;
 protected int amount;//들어오는돈
 protected int change=10000;//거스름돈통
 protected int a;  //스캔용
 
 public void process(){
  while(true){
   System.out.print("1: 커피마시기, 2:관리자, 3: 종료 >>");   
   a= scan.nextInt();
   if (a==1)
    buy();
   else if (a==2)
    manager();
   else if (a==3){
    System.out.println("종료하였습니다.");
    break;}
   else
    System.out.println("잘못입력 하였습니다.");
  }
 }
 public void setCoffee(){
  System.out.print("커피=>");
  coffee += scan.nextInt();
  System.out.print("프림=>");
  milk += scan.nextInt();
  System.out.print("설탕=>");
  suger += scan.nextInt();
  
 }
 public void sales(){
  System.out.print("동전수거금액 >>>>");
  a = scan.nextInt();
  if(amount >= a){
  amount -= a;
  System.out.println("요청한금액을 처리하였습니다.");
  }else{System.out.println("금액이 부족합니다.");}
  
 }
 public void cashier(){
  System.out.print("거스름통 채울 금액 >>>>");
  change += scan.nextInt();;
  System.out.println("요청한금액을 처리하였습니다.");
 }
 public void buy(){
  //동전투입
  System.out.print("동전을 넣으세요 (커피값 300원) : ");
  a= scan.nextInt();
  //판매
  if (coffee >=5  && milk >= 3 &&  suger >= 1 ){
   if (a>=300 && a <= change+300){
   System.out.println("거스름 : " +  (a - 300));
   System.out.println("맛 좋은 커피가 준비되었습니다.");
   //커피한잔 소모 
   coffee -= 5;
   milk -= 3;
   suger -= 1;
   //잔고정리
   change -= a-300;
   amount += a;}
   else if (a < 300){
   System.out.println("금액이 부족합니다. 커피값은 300원 입니다.");}
   else if (a > change+300){
   System.out.println("거스름돈이 부족합니다. #관리자한테 상담하세요 02-xxx-xxxx#.");
   }
  }
  else{System.out.println("커피가 부족합니다. #관리자한테 상담하세요 02-xxx-xxxx#");
  }
 }
 public void print(){
  System.out.println("======현재 자판기 정보======");
  System.out.println("커피양 : " + coffee);
  System.out.println("프림양 : " + milk);
  System.out.println("설탕양 : " + suger);
  System.out.println("커피값통 : " + amount);
  System.out.println("거스름통 : " + change);
 }
 public void manager(){
  System.out.println("관리자모드 입니다.");
  print();
  while(true){
  System.out.print("1: 커피 프림 설탕 채우기, 2: 동전수거, 3:거스름통 채우기, 4: 관리자모종료 >>");
  a = scan.nextInt();
  if (a==1)
    setCoffee();
  else if (a==2)
    sales(); 
  else if (a==3)
     cashier();
  else if (a==4)    
   {System.out.println("관리자모드를 종료하였습니다.");break;}
  else
   System.out.println("잘못입력 하였습니다.");
 }
}

 public static void main(String[] args){
  CoffeeMachine cm = new CoffeeMachine(); 
  cm.process();
 }
}

/*
-----더해볼꺼----

은닉화

set메소드

get메소드

클래스 나누기 - 상속,객체생성
*/

package com.coffee;
import java.util.Scanner;

public class CoffeeMachine {
 Scanner scan = new Scanner(System.in);

 protected int coffee = 10;
 protected int milk = 10;
 protected int suger =10;
 protected int amount;//들어오는돈
 protected int change=10000;//거스름돈통
 boolean loop=true;

 public void process(){
  while(loop){
   System.out.print("1: 커피마시기, 2:관리자, 3: 종료 >>");
   switch(scan.nextInt()){
   //커피판매
   case 1 : buy(); break; 

   //관리자모드
   case 2 : manager(); break; 

   //반복종료 
   case 3 : System.out.println("종료하였습니다.");
   loop =false;break;
   //오류
   default : System.out.println("잘못입력 하였습니다.");
   }
  }
 }

 public void buy(){
  //동전투입
  System.out.print("동전을 넣으세요 (커피값 300원) : ");
  int a= scan.nextInt();
  //판매
  if (coffee >=5  && milk >= 3 &&  suger >= 1 ){
   if (a>=300 && a <= change+300){
   System.out.println("거스름 : " +  (a - 300));
   System.out.println("맛 좋은 커피가 준비되었습니다.");
   //커피한잔 소모 
   coffee -= 5;
   milk -= 3;
   suger -= 1;
   //잔고정리
   change -= a-300;
   amount += a;}
   else if (a < 300){
   System.out.println("금액이 부족합니다. 커피값은 300원 입니다.");}
   else if (a > change+300){
   System.out.println("거스름돈이 부족합니다. #관리자한테 상담하세요 02-xxx-xxxx#.");
   }
  }
  else {System.out.println("커피가 부족합니다. #관리자한테 상담하세요 02-xxx-xxxx#");}
 }

 public void print(){
  System.out.println("======현재 자판기 정보======");
  System.out.println("커피양 : " + coffee);
  System.out.println("프림양 : " + milk);
  System.out.println("설탕양 : " + suger);
  System.out.println("커피값통 : " + amount);
  System.out.println("거스름통 : " + change);
  
 }


 public void manager(){
  System.out.println("관리자기능입니다.");
  print();

  System.out.print("1: 커피 프림 설탕 채우기, 2: 동전수거, 3:거스름통 채우기, 4: 전단계, 5: 종료 >>");
  switch(scan.nextInt()){

  //커피 프림 설탕 채우기
  case 1 : 
   System.out.print("커피=>");
   coffee += scan.nextInt();
   System.out.print("프림=>");
   milk += scan.nextInt();
   System.out.print("설탕=>");
   suger += scan.nextInt();
   break ;

   //동전수거
  case 2 : 
   System.out.print("동전수거금액 >>>>");
   int a = scan.nextInt();
   if(amount >= a){
    amount -= a;
    System.out.println("요청한금액을 처리하였습니다.");
   }else{System.out.println("금액이 부족합니다.");}
   break;  
  //거스름통채우기
  case 3 : 
   System.out.print("거스름통 채울 금액 >>>>");
   change += scan.nextInt();;
    System.out.println("요청한금액을 처리하였습니다.");
   break; 
   
  case 4 : break;
  //반복종료
  case 5 : System.out.println("종료하였습니다.");
  loop =false;break;


  //오류 - 구간만 다시 시작하는법?
  default : System.out.println("잘못입력 하였습니다.");
  } 
 }


 public static void main(String[] args){
  CoffeeMachine cm = new CoffeeMachine(); 
  cm.process();
 }
}

package com.coffee;
import java.util.Scanner;

public class CoffeeMachine {
 Scanner scan = new Scanner(System.in);

 protected int coffee = 10;
 protected int milk = 10;
 protected int suger =10;
 protected int amount;
 protected int change;
 boolean loop=true;

 public void process(){
  while(loop){
   System.out.print("1: 커피마시기, 2:관리자, 3: 종료 >>");
   switch(scan.nextInt()){
   //커피판매
   case 1 : buy(); break; 

   //관리자모드
   case 2 : manager(); break; 

   //반복종료 
   case 3 : System.out.println("종료하였습니다.");
   loop =false;break;
   //오류
   default : System.out.println("잘못입력 하였습니다.");
   }
  }
 }

 public void buy(){
  //동전투입
  System.out.print("동전을 넣으세요 (커피값 300원) : ");

  //거스름돈
  int a= scan.nextInt();
  if (a>=300){
   change = a - 300;
   if (coffee >=5  && milk >= 3 &&  suger >= 1 ){
    System.out.println("거스름 : " +  change);
    System.out.println("맛 좋은 커피가 준비되었습니다.");
    //커피한잔 소모 
    coffee -= 5;
    milk -= 3;
    suger -= 1;
    amount += 300;  
   }
   else System.out.println("커피가 부족합니다.");
  }
  else{System.out.println("금액이 부족합니다.");}
 }

 public void print(){
  System.out.println("======현재 자판기 정보======");
  System.out.println("커피양 : " + coffee);
  System.out.println("프림양 : " + milk);
  System.out.println("설탕양 : " + suger);
  System.out.println("보유금액 : " + amount);
 }
 
 
 public void manager(){
  System.out.println("관리자기능입니다.");
  print();
  System.out.print("1: 커피 프림 설탕 채우기, 2: 동전수거, 3: 종료 >>");
  switch(scan.nextInt()){

  //커피 프림 설탕 채우기
  case 1 : 
   System.out.print("커피=>");
   coffee += scan.nextInt();
   System.out.print("프림=>");
   milk += scan.nextInt();
   System.out.print("설탕=>");
   suger += scan.nextInt();
   break ;

  //동전수거
  case 2 : 
   System.out.print("동전수거금액 >>>>");
   int b=scan.nextInt();
   if(amount >= b){
    amount -= b;
    System.out.println("요청한금액을 처리하였습니다.");
   }else{System.out.println("금액이 부족합니다.");}
   break; 

  //반복종료
  case 3 : System.out.println("종료하였습니다.");
  loop =false;break;


  //오류 - 구간만 다시 시작하는법?
  default : System.out.println("잘못입력 하였습니다.");
  } 
 }


 public static void main(String[] args){
  CoffeeMachine cm = new CoffeeMachine(); 
  cm.process();
 }
}

package com.coffee;
import java.util.Scanner;

public class CoffeeMachine {
 Scanner scan = new Scanner(System.in);

 protected int coffee = 10;
 protected int milk = 10;
 protected int suger =10;
 protected int amount;
 protected int change;
 boolean loop=true;

 public void process(){
  while(loop){
   System.out.print("1: 커피마시기, 2:관리자, 3: 종료 >>");
   switch(scan.nextInt()){
   //커피판매
   case 1 : buy(); break; 

   //관리자모드
   case 2 : manager(); break; 

   //반복종료 
   case 3 : System.out.println("종료하였습니다.");
   loop =false;break;
   //오류
   default : System.out.println("잘못입력 하였습니다.");
   }
  }
 }


 public void buy(){
  //동전투입
  System.out.print("동전을 넣으세요 (커피값 300원) : ");

  //거스름돈
  int a= scan.nextInt();
  if (a>=300){
   change = a - 300;
   if (coffee >=5  && milk >= 3 &&  suger >= 1 ){
    System.out.println("거스름 : " +  change);
    System.out.println("맛 좋은 커피가 준비되었습니다.");
    //커피한잔 소모 
    coffee -= 5;
    milk -= 3;
    suger -= 1;
    amount += 300;  
   }
   else System.out.println("커피가 부족합니다.");
  }
  else{System.out.println("금액이 부족합니다.");}
 }


 public void manager(){
  System.out.println("관리자기능입니다.");
  System.out.println("======현재 자판기 정보======");
  System.out.println("커피양 : " + coffee);
  System.out.println("프림양 : " + milk);
  System.out.println("설탕양 : " + suger);
  System.out.println("보유금액 : " + amount);
  System.out.print("1: 커피 프림 설탕 채우기, 2: 동전수거, 3: 종료 >>");
  switch(scan.nextInt()){

  //커피 프림 설탕 채우기
  case 1 : 
   System.out.print("커피=>");
   coffee += scan.nextInt();
   System.out.print("프림=>");
   milk += scan.nextInt();
   System.out.print("설탕=>");
   suger += scan.nextInt();
   break ;

   //동전수거
  case 2 : 
   System.out.print("동전수거금액 >>>>");
   int b=scan.nextInt();
   if(amount >= b){
    amount -= b;
    System.out.println("요청한금액을 처리하였습니다.");
   }else{System.out.println("금액이 부족합니다.");}
   break; 

   //반복종료
  case 3 : System.out.println("종료하였습니다.");
  loop =false;break;


  //오류 - 구간만 다시 시작하는법?
  default : System.out.println("잘못입력 하였습니다.");
  } 
 }


 public static void main(String[] args){
  CoffeeMachine cm = new CoffeeMachine(); 
  cm.process();
 }
}

package com.trans;


public class Transport {
	
	protected String name;
	protected int speed;
	protected int energy;
	//protected boolean swim;
	
	public String getName(){
		return name;
	}
	public int getSpeed(){
		return speed;
	}
	public int getEnergy(){
		return energy;
	}
	public void consumGas(){
		energy -= 10;
	}
}

package com.trans;

public class TransportMain {
	public static void main(String[] args){
		Ship s = new Ship("배",25,50,true);
		s.consumGas();
		Air a = new Air("비행기",50,100,true);
		a.consumGas();
		System.out.println("==================================");
		System.out.println("이름\t속도\t연료\t비고");
		System.out.println("==================================");

		System.out.print(s.getName()+"\t");
		System.out.print(s.getSpeed()+"\t");
		System.out.print(s.getEnergy()+"\t");
		System.out.print((s.getSwim()?"항해" : "정박")+"\n");
		
		
		System.out.print(a.getName()+"\t");
		System.out.print(a.getSpeed()+"\t");
		System.out.print(a.getEnergy()+"\t");
		System.out.print((a.getFly()?"비행" : "착륙")+"\n");
		
		
		
	}

}

package com.trans;

class Ship extends Transport{
	private boolean swim=true;
	public void consumGas(){//메소드 오버라이딩으로 재정의
		energy -= 25;
	}
	public Ship(String name,int speed,int energy,boolean swim){
		this.name=name;
		this.speed=speed;
		this.energy=energy;
			
	}
	public boolean getSwim(){
		return swim;
	}
}

package com.trans;

class Air extends Transport{
	public void consumGas(){
		energy -= 50;
	}
	private boolean fly=true;
	public Air(String name,int speed,int energy, boolean fly){
		this.name=name;
		this.speed=speed;
		this.energy=energy;
	}
	public boolean getFly(){
		return fly;
	}
}

package com.exam;
public class Score {

	private int korean;
	private int english;
	private int math;

	public void setKorean(int korean){
		this.korean = korean;
	}
	public void setEnglish(int english){
		this.english = english;
	}
	public void setMath(int math){
		this.math = math;
	}
	public int getKorean(){
		return korean;
	}
	public int getEnglish(){
		return english;
	}
	public int getMath(){
		return math;
	}
	//총점
	public int makeSum(){
		return korean+english+math;
	}
	//평균
	public double makeAvg(){
		return makeSum()/3.0;
	}
	//학점 등급 ABCDF -2번째 요구사항
	public String makeGrade(){
		String grade;
		switch((int)makeAvg()/10){
		case 10:
		case 9: grade="A"; break;
		case 8: grade="B"; break;
		case 7: grade="C"; break;
		case 6: grade="D"; break;
		default : grade="F";
		}
		return grade;

	}
}

package com.exam;
import java.util.Scanner;

public class ScoreMain {
	public static void main(String[] args){
		//Scanner sc = new Scanner(System.in);
		Score sc = new Score();
		input(sc);
		outPut(sc);
		
	}
	public static void input(Score sc){
		Scanner sca = new Scanner(System.in);
		
		System.out.println("====성적 입력=====");
		System.out.print("국어 : ");
		sc.setKorean(sca.nextInt());
		System.out.print("영어 : ");
		sc.setEnglish(sca.nextInt());
		System.out.print("수학 : ");
		sc.setMath(sca.nextInt());
	}
	//출력을 위한 메소드
	//메소드명 : outPut -1 요구사항
	public static void outPut(Score sc){//Score sc를 안쓰면 호출불가
		//sc 는 지역변수 이기에
		System.out.println("=====성적 출력======");
		System.out.println("국어 : " + sc.getKorean());
		System.out.println("영어 : " + sc.getEnglish());
		System.out.println("수학 : " + sc.getMath());
		System.out.println("총점 : " + sc.makeSum());
		System.out.printf("평균 : %.2f\n",sc.makeAvg());
		System.out.println("학점 : " + sc.makeGrade());

}
}