// =============== Program Description ===============
// 程序名稱： ConsoleReader.java
// 程序目的： 本類作為數據輸入及轉換用。 
// ===================================================
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;

public class ConsoleReader
{	
	public ConsoleReader(InputStream inStream)
   	{
   		reader = new BufferedReader (new InputStreamReader(inStream)); 
   	}
   
	public int readInt() 		// 整數輸入
   	{  
   		String inputString = readLine();
      		int n = Integer.parseInt(inputString);
      		
      		return n;
   	}
   
	public double readDouble() 	// 浮點數輸入
   	{  
   		String inputString = readLine();
      		double x = Double.parseDouble(inputString);
      		
      		return x;
   	}

	public String readLine()
   	{  
   		String inputLine = "";
   		
      		try
      		{
      			inputLine = reader.readLine();
      		}
      		catch(IOException e)
      		{
      			System.out.println(e);
         		System.exit(1);
      		}

      		return inputLine;
   	}
   	
   	private BufferedReader reader; 
}