public class test

cho

import java.util.Scanner;
public class Test{
  public static void main(String[] args) {
      int a = 10;
      System.out.println("a");
   }
}

cho

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

      if (radius < 0)
        System.out.println("Incorrect input");
      else {
        area = radius * radius * 3.14159;
        System.out.println("Area is" + area);     
         }
    }
}

cho

import java.util.Scanner;

public class Average {
  public static void main(String[] args) {
     Scanner input = new Scanner(System.in);

     System.out.print("Enter three numbers:");
     double number1 = input.nextDouble();
     double number2 = input.nextDouble();
     double number3 = input.nextDouble();

     double average = (number1 + number2 + number3)/3;
     System.out.println("The average of " + "" + number1 + "" +number2 +"" +number3 +"is" +average);

  }
}

cho

import java.util.Scanner;
//新建一个类BMI
public class BMI {
  public static void main(String[] args){
                                                   
      Scanner input = new Scanner(System.in);      //设置从控制台输入
      
      System.out.print("Enter weight in pounds:");  //输入体重
      double weight = input.nextDouble();
      
      System.out.print("Enter height in inchs:");    //输入体重
      double height = input.nextDouble();
      
      final double KILOGRAMS_PER_POUND = 0.45359237;   //设置常量
      final double METERS_PRE_INCH = 0.0254;
     
      double weightInKilograms = weight * KILOGRAMS_PER_POUND;
      double heightInMeters = height * METERS_PRE_INCH;
      double bmi = weightInKilograms / heightInMeters * heightInMeters;   //计算BMI

      System.out.println("You bmi is" + bmi);     //输出BMI
      if (bmi < 16 )
        System.out.println("You are seriously underweight");
      else if (bmi < 18 )
        System.out.println("You are underweight");
      else if (bmi < 24 )
        System.out.println("You are normal weight");
      else if (bmi < 29 )
        System.out.println("You are overweight");
      else if (bmi < 35 )
        System.out.println("You are seriously overweight");
      else
        System.out.println("You are gravely overweight");
   }
}

cho

import java.util.Scanner;
public class ComputerArea {
  public static void main(String[] args) {

      Scanner input = new Scanner(System.in);
      System.out.print("Enter a number for radius: ");
      double radius = input.nextDouble();

      double area = radius * radius * 3.14159;

     System.out.println("The area for the circle of radius" + radius + "is" + area);



  }

}

cho

import java.util.Scanner;
public class test {
  public static void main(String[] args) {
      int a = "继续更新吧";
      System.out.println("a");
  }
}

桃李芬芳

期待更新。为什么手术前没有全面查一下？3.3x 1.4cm应该是不小了，术前应该可以查到的。