package pro1;

import java.util.Scanner;

public class Main {
	
	public void add() {
		System.out.println("-----(++i + i++ + ++i + ++i + i++)-----");
		int i = 1;
		int j = ++i + i++ + ++i + ++i + i++;
		// ++i 2 i=2
		// i++ 2 i=3
		// ++i 4 i=4
		// ++i 5 i=5
		// i++ 5 i=6
		// 2 + 2 + 4 + 5 + 5 = 18
		System.out.println(j);
	}
	
	public void BMI() {
		Scanner cin = new Scanner(System.in);
		System.out.println("----- calculation BMI value -----");
		
		System.out.print(" Please enter your height (m)：");
		double height = cin.nextDouble();
		
		System.out.print(" Please enter your weight (kg)：");
		double weight = cin.nextDouble();
		
		double bmi = weight / (height * height);
//		System.out.println(" Your current BMI yes ：" + bmi);
		System.out.printf("%.4f\n", bmi);
		
		cin.close();
		
	}
	

	public static void main(String[] args) {
		Main main = new Main();  //  Instantiation class 
		main.add();  //  practice - Self increasing 
		main.BMI();  //  practice -BMI
		
	}

}

package path;

import java.util.Scanner;

public class BMItext {
	public static void main(String[] args) {
		System.out.println(" Enter height ：");
		Scanner hr = new Scanner(System.in);
		float highter = hr.nextFloat();
		System.out.println(" Enter your weight ：");
		Scanner wt= new Scanner(System.in);
		float weight = wt.nextFloat();
		System.out.println(" Your height is ："+highter+"m");
		System.out.println(" Your weight is ："+weight+"kg");
		double BML = 0;
		BML=weight/(highter*highter);
		System.out.println(" Yours BML Value is ："+BML);
		if(BML<18.5) {
			System.out.println(" Your weight is too light ！ Please pay attention to moderate exercise and meals ");
		}
		else if(18.5<=BML||BML<24) {
			System.out.println(" Congratulations , Your body weight is normal , Come on, keep going ！");
		}
		else if(24<=BML||BML<27) {
			System.out.println(" Your weight is a little heavy , But don't worry , Just pay attention to your diet ");
		}
		else if(27<=BML||BML<30) {
			System.out.println(" You are a little fat , Pay attention to exercise more often ！");
		}
		else if(30<=BML||BML<35) {
			System.out.println(" Little fat man belongs to , You eat less a day , Exercise more , Don't be a fat house ");
		}
		else if(35<=BML){
			System.out.println(" You big man ！ It belongs to the fat King ！ Do it yourself , It's your body anyway ！");
		}
		else {
			System.out.println(" Your proportion is beyond the three realms , I don't have enough skills ");
		}
	}
	
}

package domo;

import java.util.Scanner;

public class Bmi {
    public static void main(String[] args) {

        while (true) {
            Scanner sc = new Scanner(System.in);
            System.out.println(" Please enter your height m");
            double tall = sc.nextDouble();
            System.out.println(" Please enter your weight kg");
            int weight = sc.nextInt();
            double Bmi = (double) weight / (tall * tall);
            System.out.println(Bmi);
            if (Bmi < 18.5) {
                System.out.println(" Your weight is too light ");
            } else if (18.5 <= Bmi && Bmi < 24) {
                System.out.println(" Your normal weight range ");
            } else if (24 <= Bmi && Bmi < 27) {
                System.out.println(" You are overweight ");
            } else if (27 <= Bmi && Bmi < 30) {
                System.out.println(" Your weight is slightly obese ");
            } else if (30 <= Bmi && Bmi < 35) {
                System.out.println(" Your weight is moderately obese ");
            } else if (35 <= Bmi) {
                System.out.println(" You are overweight , It's a funny egg ");
            }

        }
    }
}

 Please enter your weight (kg)：
85
 Please enter your height (m)：
1.75
27.755102040816325

package example;
import java.util.Scanner;
public class And2 {
	public static void main(String[] args){ 
		Scanner s = new Scanner(System.in);//new The following constructor 
		float a = s.nextFloat();
	    System.out.println(" weight ："+a);
	    float b = s.nextFloat();
	    System.out.println(" height ："+b);
	    float c = a/(b*b);
	    System.out.println("BIM："+c);
	}
}

package path;

import java.util.Scanner;

public class BMItext {
	public static void main(String[] args) {
		System.out.println(" Enter height ：");
		Scanner hr = new Scanner(System.in);
		float highter = hr.nextFloat();
		System.out.println(" Enter your weight ：");
		Scanner wt= new Scanner(System.in);
		float weight = wt.nextFloat();
		System.out.println(" Your height is ："+highter+"m");
		System.out.println(" Your weight is ："+weight+"kg");
		double BML = 0;
		BML=weight/(highter*highter);
		System.out.println(" Yours BML Value is ："+BML);
		if(BML<18.5) {
			System.out.println(" Your weight is too light ！ Please pay attention to moderate exercise and meals ");
		}
		else if(18.5<=BML||BML<24) {
			System.out.println(" Congratulations , Your body weight is normal , Come on, keep going ！");
		}
		else if(24<=BML||BML<27) {
			System.out.println(" Your weight is a little heavy , But don't worry , Just pay attention to your diet ");
		}
		else if(27<=BML||BML<30) {
			System.out.println(" You are a little fat , Pay attention to exercise more often ！");
		}
		else if(30<=BML||BML<35) {
			System.out.println(" Little fat man belongs to , You eat less a day , Exercise more , Don't be a fat house ");
		}
		else if(35<=BML){
			System.out.println(" You big man ！ It belongs to the fat King ！ Do it yourself , It's your body anyway ！");
		}
		else {
			System.out.println(" Your proportion is beyond the three realms , I don't have enough skills ");
		}
	}
	
}

public class Text operator  {
    public static void main(String[] args) {
        int a = 5;
        long b = 6;
        int c =(int)(a + b);// Because b by long So a+b by long Type , Therefore, it is necessary to convert to int type 
        long d = a+b;// Because the output is long Type of , So there is no need to cast .
        System.out.println(" Output bit long The type is converted to ing The value of type is "+c);
        System.out.println(" Output bit long The value of type is "+d);
        byte j=1;
        byte k=2;
        byte h = (byte)(a+b);// Although j,k It's all byte Type of , But they add up and the result is int Type of , So you need to cast .
        int l = j+k;// Because the output type is int, So there is no need to cast .
        System.out.println(" Enter byte Output after type int The value of type is "+h);
        System.out.println(" The output is int The value of type is "+l);
        int o = 10;
        int y = 3;
        System.out.println(" The remainder is "+o%y);// Take the remainder 
        o++;// send o Add yourself 
        System.out.println(" Make the value of the variable after self addition "+o);
        y--;// send y Self subtraction 
        System.out.println(" The value of the variable after subtraction is "+y);
        int q = 1;
        System.out.println();
        int g = ++q + q++ + ++q + ++q + q++;
              //2    2     4   5    5
        System.out.println(g);
        Scanner bmi = new Scanner(System.in);
        System.out.println(" Please enter your name ：");
        String xm = bmi.nextLine();
        System.out.println(" Please enter your weight ：");
        float  tz =bmi.nextFloat();
        System.out.println(" Please enter your height （M）：");
        float sg = bmi.nextFloat();
        System.out.println(xm+" Xiansen "+"\n Your weight is ："+tz+"\n Your height is ："+sg+"\n Please confirm that the information is correct ");
        float  Bmi = tz /(sg*sg);
        System.out.println(xm+" Xiansen ,"+" After testing your BMI by ："+Bmi);
        if(Bmi < 18.5){
            System.out.println(" Underweight ");
        }
        else if(Bmi<24&Bmi>18.5){
            System.out.println(" Normal weight " );
        }
        else if(Bmi<27&Bmi>24){
            System.out.println(" Overweight ");
        }
        else if(Bmi<30&Bmi>27){
            System.out.println(" Weight slightly obese ");
        }
        else if(Bmi<35&Bmi>30){
            System.out.println(" Weight moderate obesity ");
        }
        else if(Bmi>35&Bmi<40){
            System.out.println(" Weight, severe obesity ");
        }
        else{
            System.out.println(" Don't blindly enter data , You can't pay for the damage ！");
        }
}
}

package Go Java.cn;

import java.math.BigDecimal;
import java.util.Scanner;

/**
 * @author lihao
 * @version JDK 1.8.0_271
 * @create 2021-09-20 13:07
 *  use Scanner Collect your height and weight , And calculate your BMI What is the value 
 * BMI The formula is   weight (kg) / ( height * height )
 */
public class BMI_index {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("                Obesity index ");
        System.out.println(" Underweight        BMI < 18.5");
        System.out.println(" normal range     18.5 <= BMI < 24");
        System.out.println(" Overweight      24 <= BMI < 27");
        System.out.println(" Mild obesity      27 <= BMI < 30");
        System.out.println(" Moderate obesity       30 <= BMI < 35");
        System.out.println(" Severe obesity         35<= BMI");
        System.out.println();
        System.out.println(" Please enter your height (m):");
        float bodyHeight = scan.nextFloat();
        System.out.println(" Please enter your weight (kg):");
        float bodyWeight = scan.nextFloat();
        float BMI = new BigDecimal(bodyWeight/bodyHeight/bodyHeight).setScale(1,BigDecimal.ROUND_HALF_UP).floatValue();
        String textWarring = "";
        if (BMI < 18.5) {
            textWarring = " Underweight ";
        }
        if (18.5 <= BMI && BMI < 24) {
            textWarring = " normal range  ";
        }
        if (24 <= BMI && BMI < 27) {
            textWarring = " Overweight ";
        }
        if (27 <= BMI && BMI < 30) {
            textWarring = " Mild obesity ";
        }
        if (30 <= BMI && BMI < 35) {
            textWarring = " Moderate obesity  ";
        }
        if (BMI >= 35) {
            textWarring = " Severe obesity ";
        }
        System.out.println(" Current BMI yes " + BMI + ", Belong to " + textWarring);
    }
}

public class Text {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println(" Please enter your weight (kg)");
        float weight = sc.nextFloat();
        System.out.println(" Please enter your height (m)");
        float high = sc.nextFloat();
        float BMI = weight/(high*high);
        System.out.println(" Yours BMI Value is "+BMI);
    }
}

import java.util.Scanner;
public class  Height and weight  {
	public static void main(String[] args) {
		double BMI;
		System.out.println(" Please enter your height :");
		Scanner h=new Scanner(System.in);
		double a=h.nextDouble();
		System.out.println(" Please enter your weight :");
		Scanner w=new Scanner(System.in);
		double b=w.nextDouble();
		BMI=b/(a*a);
		System.out.println("BMI:"+BMI);
	}
		
		
	}

package OnlineLearning;

import java.util.Scanner;

public class Counting {

    public static void main(String[] args) {

        System.out.println(" Enter your weight /kg");
        Scanner scanner1 = new Scanner(System.in);
        double weight = scanner1.nextDouble();
        System.out.println(" Enter your height /m");
        double hi1 = scanner1.nextDouble();
        double m = weight/(hi1*hi1);
        System.out.println(" Yours IBM Value is "+m);

       if(m >= 35){
           System.out.println(" Severe obesity ");
       }else if(m>=30){
           System.out.println(" Moderate obesity  ");
        }else if(m>=27){
           System.out.println(" Mild obesity ");
       }else if(m>=24){
           System.out.println(" Overweight ");
       }else if(m>=18.5){
           System.out.println(" Normal weight ");
       }else{
           System.out.println(" Underweight ");
       }

    }

}

import java.util.Scanner;

public class BMI {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        System.out.println(" Please enter your height ：（ Company ：m）");
        double height = s.nextDouble();
        System.out.println(" Please enter your weight ：（ Company ：kg）");
        double weight = s.nextDouble();
        double bmi = weight/(height*height);
        System.out.println(" Current BMI yes ：" + bmi);
        if(bmi < 18.5){
            System.out.println(" Underweight ！");
        }else if(bmi >= 18.5 && bmi < 24){
            System.out.println(" normal range  ！");
        }else if(bmi >= 24 && bmi < 27){
            System.out.println(" Overweight ！");
        }else if(bmi >= 27 && bmi < 30){
            System.out.println(" Mild obesity ！");
        }else if(bmi >= 30 && bmi < 35){
            System.out.println(" Moderate obesity  ！");
        }else if(bmi >= 35 ){
            System.out.println(" Severe obesity ！");
        }
    }
}

package jisuan;

import java.util.Scanner;

public class BMI {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        System.out.print(" Please enter your height (m):");
        float a = s.nextFloat();
        System.out.print(" Please enter your weight (kg):");
        float b = s.nextFloat();
        float c = b / (a * a);
        System.out.println(" Yours BMI Value is :" + c);
        if (c < 18.5) {
            System.out.println(" Your weight is too light ");
        } else if (c > 18.5 && c < 24) {
            System.out.println(" Your weight is normal ");
        } else if (c >= 24 && c < 27) {
            System.out.println(" You are overweight ");
        } else if (c >= 27 && c < 30) {
            System.out.println(" You are slightly obese ");
        } else if (c >= 30 && c < 35) {
            System.out.println(" You are moderately obese ");
        } else {
            System.out.println(" You are severely obese ");
        }
    }
}

import java.util.Scanner;
public class Bmi {
    public static void main(String[]args){
        Scanner scan=new Scanner(System.in);
        System.out.println(" Please enter your height (m)");
        double a=scan.nextDouble();
        System.out.println(" Please enter your weight (kg)");
        double b=scan.nextDouble();
        double bmi=b/(a*a);
        if (bmi<18.5)
        System.out.println(" Your current BMI yes :"+bmi+", Your weight is too light .");
        else if (bmi>=18.5&bmi<24){
            System.out.println(" Your current BMI yes :"+bmi+", Your weight is in the normal range .");
        }
        else if (bmi>=24&bmi<27){
            System.out.println(" Your current BMI yes :"+bmi+", You are overweight .");
        }
        else if (bmi>=27&bmi<30){
            System.out.println(" Your current BMI yes :"+bmi+", You are slightly obese .");
        }
        else if(bmi>=30&bmi<35){
            System.out.println(" Your current BMI yes :"+bmi+", You are moderately obese .");
        }
        else if(bmi>=35){
            System.out.println(" Your current BMI yes :"+bmi+", You are severely obese .");
        }

    }
}

import java.util.Scanner;

public class HelloWorld {
      
      
      public static void main(String[] args) {
    	  Scanner sc = new Scanner(System.in);
    	  System.out.println(" Please enter your height (m)");
    	  float height = sc.nextFloat();
    	  System.out.println(" Please enter your weight (kg)");
    	  float weight = sc.nextFloat();
    	  float BMI = weight/(height*height);
    	  System.out.println(" current BMI yes "+BMI);
    	  sc.close();
      }   
}

Scanner s = new Scanner(System.in);
		System.out.println(" Please enter your height （cm）:");
		Float a = s.nextFloat();
		System.out.println(" Please enter your weight （kg）:");
		int b = s.nextInt();
	    float bmi = b/(a*a);
		System.out.println(" Current BMI yes ："+bmi);

import java.util.Scanner;

public class HelloWorld {

	public static void main(String[] args) {
		Scanner s=new Scanner(System.in);
		float hight=s.nextFloat();
		System.out.println(" Your height is "+hight);
		float weight=s.nextFloat();
		System.out.println(" Your weight is "+weight);
		float BMI=weight/(hight*hight);
		System.out.println(" Yours BMI yes "+BMI);

	}

}

import java.util.Scanner;

public class ReadIn {
    public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		float height = sc.nextFloat();
		System.out.println("Your height is: " + height + " m");
		int weight = sc.nextInt();
		System.out.println("Your weight is: " + weight + " kg");
		
		float BMI = (weight/(height*height));
		if(BMI < 18.5) {
			System.out.println("Your BMI value is: " + BMI + " You are underweight.");
		}else if(18.5<=BMI && BMI < 24) {
			System.out.println("Your BMI value is: " + BMI + " You are in normal range.");
		}else if(24<=BMI && BMI < 27) {
			System.out.println("Your BMI value is: " + BMI + " You are overweight.");
		}else if(27<=BMI && BMI < 30) {
			System.out.println("Your BMI value is: " + BMI + " You are in Slightly obese.");
		}else if(30<=BMI && BMI < 35) {
			System.out.println("Your BMI value is: " + BMI + " You are in Moderately obese.");
		}else{
			System.out.println("Your BMI value is: " + BMI + " You are in Severe obesity.");
		}
	}
}

public class HelloWorld {
    public static void main(String[] args) {
        Scanner body = new Scanner(System.in);
        System.out.println(" Please enter your weight ：");
        float i = body.nextInt();// weight 
        System.out.println(" Please enter your height ：");
        float j = body.nextInt();// height 
        float k;
        k = (i/(j*j))*10000;
        System.out.println(" Yours BMI Value is ："+k);
       }
}