four_1.java

一个测试身高的程序

package min;
import javax.swing.JOptionPane;
public class Four_1{
	public static void main(String[] agrs){
		 double fa,ma,own;
		 String str,str1="";
		 
		 str=JOptionPane.showInputDialog(null,"输入父亲的身高（单位：m）","身体预测",JOptionPane.QUESTION_MESSAGE);
		 fa=Double.parseDouble(str);
		 str1="fa:"+str+"\n";
		 
		  str=JOptionPane.showInputDialog(null,"输入母亲的身高（单位：m）","身体预测",JOptionPane.QUESTION_MESSAGE);
		 ma=Double.parseDouble(str);
		 str1="ma:"+str+"\n";
		 
		 int n;
		 Object[] options_sex={"男","女"};
		 n=JOptionPane.showOptionDialog(null,"你的性别是。。","选择你的性别",
		 JOptionPane.DEFAULT_OPTION,
		 JOptionPane.QUESTION_MESSAGE,
		 null,options_sex,options_sex[0]);
		 
		 
		 if (n==0){
		 	own=(fa+ma)*0.517;
		 	str1=str1+"男性"+"\n";
		 	}  else {
		 	own=(fa*0.92+ma)*0.5;
		 	str1=str1+"女性"+"\n";
		 	}
		
		
		 Object[] options_sport={"喜欢运动型","不喜欢运动型"};
		 n=JOptionPane.showOptionDialog(null,"你属于。。","你平时喜欢运动吗？",
		 
		 JOptionPane.DEFAULT_OPTION,
		 JOptionPane.QUESTION_MESSAGE,
		 null,options_sport,options_sport[0]);

		  if(n==0){
		  	own*=1.02;
		  	str1=str1+"喜欢运动"+"\n"; 	
		  	
		  	} else  
		  		
		  		str1=str1+"不喜欢运动"+"\n";
		  		
		  		
		  Object[] options_food={"营养良好","营养不良"};
		  n=JOptionPane.showOptionDialog(null,"你的营养状况是。。",
		  "请选择你的营养状况",JOptionPane.DEFAULT_OPTION,
		  JOptionPane.QUESTION_MESSAGE,null,
		  options_food,options_food[0]);
		  
		  
		  if(n==0){
		  
		  own*=1.015;
		  str1=str1+"营养良好"+"\n";
		  }   else str1=str1+"营养不良"+"\n";
		  
		  
		  str=Double.toString(own);
		  JOptionPane.showMessageDialog(null,str1+"你未来的身高的预测值"+str,
		  "预测的结果如下：",
		  JOptionPane.INFORMATION_MESSAGE);
		  
		
		}
	
	}