myinput.java

流与文件 课件 及 例子 。。。。。。。。。

// MyInput.java: Contain the methods for reading int, double, and
// string values from the keyboard
import java.io.*;

public class MyInput
{
  // Read a string from the keyboard
  public static String readString()
  {
    BufferedReader br
      = new BufferedReader(new InputStreamReader(System.in), 1);

    // Declare and initialize the string
    String string = " ";

    // Get the string from the keyboard
    try
    {
      string = br.readLine();
    }
    catch (IOException ex)
    {
      System.out.println(ex);
    }

    // Return the string obtained from the keyboard
    return string;
  }

  // Read an int value from the keyboard
  public static int readInt()
  {
    return Integer.parseInt(readString());
  }

  // Read a double value from the keyboard
  public static double readDouble()
  {
    return Double.parseDouble(readString());
  }

  // Read a byte value from the keyboard
  public static double readByte()
  {
    return Byte.parseByte(readString());
  }

  // Read a short value from the keyboard
  public static double readShort()
  {
    return Short.parseShort(readString());
  }

  // Read a long value from the keyboard
  public static double readLong()
  {
    return Long.parseLong(readString());
  }

  // Read a float value from the keyboard
  public static double readFloat()
  {
    return Float.parseFloat(readString());
  }
}