hashtest.java

CMM编译器词法分析及语法分析代码

package try_sw;
import java.util.*;
import java.io.*;

public class Hashtest {

	static Hashtable<String[],Integer> myhs = new Hashtable<String[],Integer>();
	/**
	 * @param args
	 */
	
	static void put(String[] str,Integer i){
		
		myhs.put(str, i);
		
	}
	
	static String print(String[] str){
	 	String re="";
	 	for(String a:str){
	 		re +=(" "+ a);
	 	}
	 	return re;
	}
	
	
	
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub

		
		
		while(true){
			
			BufferedReader rd = new BufferedReader(new InputStreamReader(System.in));
			String [] str = new String[2]; 
			str[0] = rd.readLine();
			if(str[0].equals("quit"))break;
			
			str[1] = rd.readLine();
			
			 
			 
			
				
			 int i = Integer.parseInt(rd.readLine());
			 put(str,i);
			 
			
		}
		
		System.out.println("Now,we print the hashtable");
		Iterator<String[]> it = myhs.keySet().iterator();
		
		while(it.hasNext()){
			String[] str = (String[])(it.next());
			System.out.println(print(str) + " " + myhs.get(str).toString() );
		}
		
		
	}

}