一种java赋值的方式

 package com.sealbird.util;

import com.sealbird.exception.ScutnetException;

import java.util.Hashtable;
import java.util.Vector;
import java.util.Enumeration;

/**
 * Created by IntelliJ IDEA.
 * User: seal
 * Date: 2005-11-24
 * Time: 16:22:27
 */
public final class DataPool {
    private Hashtable InfoPools = new Hashtable();
 public static final int TYPE_INTERFACE = 100;
 public void setInof(int dataType, String vaultId, String id, Hashtable data)
 throws ScutnetException {
 Hashtable pool = getPool(dataType, vaultId);
 if (pool != null) {
  if (data == null)
   pool.remove(id);
  else
   pool.put(id, data);
 }
}
 private Hashtable getPool(int type, String vaultId) {
 Hashtable pools = null;
 Hashtable pool = null;
   pools = this.InfoPools;
 pool = (Hashtable) pools.get(vaultId + "_" + type);
  if (pool == null) {
   pool = new Hashtable();
   pools.put(vaultId + "_" + type, pool);
 }
 return pool;
}
    public Vector getPoolData(int type, String vaultId) {
 Vector result = new Vector();
 Hashtable ht = getPool(type, vaultId);
 if (ht != null) {
  Enumeration e = ht.elements();
  while (e.hasMoreElements()) {
   result.add(e.nextElement());
  }
 }
 return result;
}
public static void main(String[] args) throws ScutnetException {

 }
}