Java HashMap.containsValue方法代碼示例

import java.util.HashMap; //導入方法依賴的package包/類
public static void main(String[] args) {

    //create HashMap object
    HashMap hMap = new HashMap();

    //add key value pairs to HashMap
    hMap.put("1", "One");
    hMap.put("2", "Two");
    hMap.put("3", "Three");

    /*
      To check whether a particular value exists in HashMap use
      boolean containsValue(Object key) method of HashMap class.
      It returns true if the value is mapped to one or more keys in the
      HashMap otherwise false.
    */

    boolean blnExists = hMap.containsValue("Two");
    System.out.println("Two exists in HashMap ? : " + blnExists);
  }
 

import java.util.HashMap; //導入方法依賴的package包/類
public static String fetchBrokerNameByAddr(final MQAdminExt adminExt, final String addr) throws Exception {
    ClusterInfo clusterInfoSerializeWrapper = adminExt.examineBrokerClusterInfo();
    HashMap<String/* brokerName */, BrokerData> brokerAddrTable =
        clusterInfoSerializeWrapper.getBrokerAddrTable();
    Iterator<Map.Entry<String, BrokerData>> it = brokerAddrTable.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry<String, BrokerData> entry = it.next();
        HashMap<Long, String> brokerAddrs = entry.getValue().getBrokerAddrs();
        if (brokerAddrs.containsValue(addr))
            return entry.getKey();
    }
    throw new Exception(
        "Make sure the specified broker addr exists or the nameserver which connected is correct.");
}
 

import java.util.HashMap; //導入方法依賴的package包/類
/**
Checks if a string is balanced or not.

 @param s is a non-null string
 @return true of the input <code>s</code> is balanced and false otherwise.
**/
public static boolean isBalanced(String s){
  Stack<Character> stack = new Stack<Character>();
  HashMap<Character, Character> symbols = new HashMap<Character, Character>();

  symbols.put(')' , '(');
  symbols.put('}' , '{');
  symbols.put(']' , '[');

  for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    if (symbols.containsValue(c)) {
      stack.push(c);
    }
    if (symbols.containsKey(c)) {
      if (stack.empty()) {
        return false;
      } else {
        Character temp = stack.pop();
        if (temp != symbols.get(c)) {
          return false;
        }
      }
    }
  }
  if (stack.empty()) {
    return true;
  }
  return false;
}
 

import java.util.HashMap; //導入方法依賴的package包/類
private void deleteClasses(InstructionalOfferingModifyForm frm, InstrOfferingConfig ioc, Session hibSession, HashMap tmpClassIdsToRealClasses){
 	if (ioc.getSchedulingSubparts() != null) {
SchedulingSubpart ss = null;
ArrayList lst = new ArrayList();
      ArrayList subpartList = new ArrayList(ioc.getSchedulingSubparts());
      Collections.sort(subpartList, new SchedulingSubpartComparator());

      for(Iterator it = subpartList.iterator(); it.hasNext();){
      	ss = (SchedulingSubpart) it.next();
      	if (ss.getParentSubpart() == null){
      		buildClassList(ss.getClasses(), lst);
      	}
      }

      Class_ c;
      for (int i = (lst.size() - 1); i >= 0; i--){
      	c = (Class_) lst.get(i);
      	if (!frm.getClassIds().contains(c.getUniqueId().toString()) && !tmpClassIdsToRealClasses.containsValue(c)){
		if (c.getParentClass() != null){
			Class_ parent = c.getParentClass();
			parent.getChildClasses().remove(c);
			hibSession.update(parent);
		}
		c.getSchedulingSubpart().getClasses().remove(c);
		if (c.getPreferences() != null)
		    c.getPreferences().removeAll(c.getPreferences());
		
		c.deleteAllDependentObjects(hibSession, false);
		
		hibSession.delete(c);
      	}
      }
 	}
  }
 

import java.util.HashMap; //導入方法依賴的package包/類
private static String getName(Long param, HashMap hm) {
    if (param == null) return null;
    if (!hm.containsValue(param)) return null;

    for (Iterator it = hm.keySet().iterator(); it.hasNext(); ) {
        String key = (String) it.next();
        if (hm.get(key).equals(param)) return key;
    }

    //should not get normally here .... but who knows :)
    return null;
}
 

import java.util.HashMap; //導入方法依賴的package包/類
public static void main(String[] args) {
    Scanner scann = new Scanner(System.in);

    String[] input = scann.nextLine().split("\\s+");
    char[] shorter = input[(input[0].length() > input[1].length()) ? 1 : 0].toCharArray();
    char[] longer = input[(input[0].length() <= input[1].length()) ? 1 : 0].toCharArray();

    boolean output = true;
    HashMap<Character, Character> mapper = new HashMap<Character, Character>();
    for (int i = 0; i < shorter.length; i++) {
        if(!mapper.containsKey(shorter[i])){
            if(mapper.containsValue(longer[i])){
                output = false;
                break;
            } else {
                mapper.put(shorter[i], longer[i]);
            }
        } else {
            if(longer[i] != mapper.get(shorter[i])){
                output = false;
                return;
            }
        }
    }

    for (int i = shorter.length; i < longer.length; i++) {
        if(!mapper.containsValue(longer[i])){
            output = false;
            break;
        }
    }

    System.out.println(output);
}
 

import java.util.HashMap; //導入方法依賴的package包/類
@SingleClick // 防止連續點擊
public static void go(String actionName, HashMap data, View view) {
    if (data.containsValue(null)) return;
    TRouter.go(actionName, data, view);
}
 

import java.util.HashMap; //導入方法依賴的package包/類
@Override
 protected Void doInBackground(Void... voids) {
     // Get Contact list from Phone

     if (phones != null) {
if(dbContact != null)
         	dbContact.truncateContactTable();
         HashMap<String, String> data = new HashMap<String, String>();
         while (phones.moveToNext()) {
             Bitmap bit_thumb = null;
             String id          = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID));
             String name        = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
             String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
             String EmailAddr   = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA2));
             String newPhinr    = phoneNumber.replaceAll("\\s+","").replaceAll("\\-", "").replaceAll("\\(", "").replaceAll("\\)", "").replaceAll("\\#", "").replaceAll("\\_", "");
             String image_thumb = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.PHOTO_THUMBNAIL_URI));
             try {
                 if (image_thumb != null) {
                     bit_thumb = MediaStore.Images.Media.getBitmap(resolver, Uri.parse(image_thumb));
                 } else {

                 }
             } catch (IOException e) {
                 e.printStackTrace();
             }
             ContactBean selectUser = new ContactBean();
             if (!data.containsValue(newPhinr)) {
             	selectUser.setThumb(bit_thumb);
                 selectUser.setName(name);
                 selectUser.setNumber(newPhinr);
                 selectUser.setPhotoURI(image_thumb);
                 selectUser.setPinyin(HanziToPinyin.getPinYin(selectUser.getName()));
                 data.put(name, newPhinr);
		if(dbContact != null)
                 dbContact.addContact(selectUser);
                 if (newPhinr != null) {
                 	 selectUsers.add(selectUser);
                 	 nameNum.put(selectUser.getName(), selectUser.getNumber());
                 }
             }

         }
     } else {

     }
     phones.close();
     return null;
 }