inputtest.java

递归子程序法：对应每个非终结符语法单元编一个独立的处理过程（或子程序）。语法分析从读入第一个单词开始

import java.io.*;
/**
 * <p>Title: InputTest</p>
 * <p>Description: InputTest</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: BNU</p>
 * @author Sun Yilin
 * @version 1.0
 */

public class InputTest {

  public static void main(String[] args) throws IOException {
    int ch;
    System.out.println("Enter a character please:");
    ch = System.in.read();
    System.out.println((char)ch);
  }
}