数据结构(Java语言版) 用到的ConsoleReader.java
一个方便的键盘输入程序，可以在其他程序中import

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;

/**
*
* @author HP
*
* 一个方便的键盘输入程序，可以在其他程序中import
*
*/

public class ConsoleReader

{
private BufferedReader reader;

public ConsoleReader(InputStream inStream) {
reader = new BufferedReader(new InputStreamReader(inStream));
}

public int readInt() {
String inputString = readLine();
int n = Integer.parseInt(inputString);

return n;
}

public double readDouble() {
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;
}

public static void main(String s[]) {

int i;
System.out.println("Please input a integer :");
ConsoleReader reader = new ConsoleReader(System.in);
i = reader.readInt();

System.out.println(i);
}

}