hashtable.java

// WARNING: my java is rusty, so this is conceptual only. [yjb]

import java.util.Hashtable;

public class SymbolTable {

  HashTable symbols;

  public SymbolTable() {
    symbols = new Hashtable(100);
  }

  public void add_entry(String symbol, Integer address) {
    symbols.put(symbol, address);
  }

  // your wrapper methods here, which adhere to the assembler API

}