List of usage examples for java.util Map keySet
Set<K> keySet();
From source file:com.doculibre.constellio.utils.SolrSchemaUtils.java
public static void main(String[] args) throws Exception { ConnectorType connectorType = new ConnectorType(); connectorType.setName("mail"); IndexSchema schema = getSchema(connectorType); Map<String, FieldType> fieldTypes = schema.getFieldTypes(); for (String key : fieldTypes.keySet()) { FieldType fieldType = fieldTypes.get(key); System.out.print(key + ":"); System.out.print(fieldType.getClass()); System.out.print("\n"); System.out.print(fieldType.getAnalyzer().getClass()); }//from w ww.ja v a2 s . c om }
From source file:Main.java
public static void main(String[] argv) { Map map = new HashMap(); map.put("Adobe", "Mountain View, CA"); map.put("IBM", "White Plains, NY"); map.put("Learning Tree", "Los Angeles, CA"); Iterator k = map.keySet().iterator(); while (k.hasNext()) { String key = (String) k.next(); System.out.println("Key " + key + "; Value " + (String) map.get(key)); }//from w w w . jav a2 s . c o m }
From source file:Main.java
public static void main(String[] args) { String text = "A,B,C,D"; String[] keyValue = text.split(","); Map<Integer, String> myMap = new HashMap<Integer, String>(); for (int i = 0; i < keyValue.length; i++) { myMap.put(i, keyValue[i]);//w ww . j a va 2 s .c om } Set keys = myMap.keySet(); Iterator itr = keys.iterator(); while (itr.hasNext()) { Integer key = (Integer) itr.next(); String value = (String) myMap.get(key); System.out.println(key + " - " + value); } }
From source file:com.github.fastjson.MapPractice.java
/** * @param args/*from w w w .j a va 2s. co m*/ */ public static void main(String[] args) { Map<String, String> map = new HashMap<>(); map.put("name", "doctor"); map.put("age", "1118"); map.put("sex", "man"); String jsonString = JSON.toJSONString(map); System.out.println(jsonString); InputStream resourceAsStream = MapPractice.class.getResourceAsStream("/fastjson/map1.json"); String jString = null; try { jString = IOUtils.toString(resourceAsStream); } catch (IOException e) { e.printStackTrace(); } Map<?, ?> parse = JSON.parseObject(jString, Map.class); System.out.println(parse); for (Object key : parse.keySet()) { System.out.println(key + ":" + parse.get(key)); } InputStream resourceAsStream2 = MapPractice.class.getResourceAsStream("/fastjson/map2.json"); String jString2 = null; try { jString2 = IOUtils.toString(resourceAsStream2); } catch (IOException e) { e.printStackTrace(); } Map<?, ?> parseObject = JSON.parseObject(jString2, Map.class); System.out.println(JSON.toJSON(parseObject)); System.out.println("??"); Object object = parseObject.get("currentKey"); System.out.println("currentKey" + ":" + object); Map<?, ?> object2 = (Map<?, ?>) parseObject.get("keyMap"); for (Object key : object2.keySet()) { System.out.println(key + ":" + object2.get(key)); } }
From source file:br.com.recursive.biblioteca.servicos.EmailService.java
public static void main(String[] args) throws EmailException { // Pessoa p = new Pessoa(); // p.setNome("sdsfsdf"); // //from ww w . j a v a2 s. c o m // Contato c = new Contato(); // c.setEmail("oelisiany@gmail.com"); // // p.setContato(c); // p.setUsuario(new Usuario()); // // EmailService es = new EmailService(); // es.sendHtmlEmail(p); Map<String, Object> map1 = new HashMap<String, Object>(); map1.put("cpf", "312313123"); map1.put("id", 1); for (String chave : map1.keySet()) { System.out.println(chave); } }
From source file:Main.java
public static void main(String[] argv) throws Exception { Map<String, String> map = new LinkedHashMap<String, String>(); map.put("1", "value1"); map.put("2", "value2"); map.put("3", "value3"); map.put("2", "value4"); for (Iterator it = map.keySet().iterator(); it.hasNext();) { Object key = it.next();// w ww.j a v a2 s.c o m Object value = map.get(key); } }
From source file:com.blockhaus2000.csvviewer.CsvViewerMain.java
public static void main(final String[] args) { try (final CSVParser parser = new CSVParser(new InputStreamReader(System.in), CSVFormat.DEFAULT)) { final Table table = new Table(); final Map<String, Integer> headerMap = parser.getHeaderMap(); if (headerMap != null) { final TableRow headerRow = new TableRow(); headerMap.keySet().forEach(headerData -> headerRow.addCell(new TableRowCell(headerData))); table.setHeaderRow(headerRow); }/* w ww. j a v a 2s . c o m*/ final AtomicBoolean asHeader = new AtomicBoolean(headerMap == null); parser.getRecords().forEach(record -> { final TableRow row = new TableRow(); record.forEach(rowData -> row.addCell(new TableRowCell(rowData))); if (asHeader.getAndSet(false)) { table.setHeaderRow(row); } else { table.addRow(row); } }); System.out.println(table.getFormattedString()); } catch (final IOException cause) { throw new RuntimeException("An error occurred whilst parsing stdin!", cause); } }
From source file:Main.java
public static void main(String[] argv) throws Exception { Object keyObject = ""; Object valueObject = ""; Map weakMap = new WeakHashMap(); weakMap.put(keyObject, valueObject); WeakReference weakValue = new WeakReference(valueObject); weakMap.put(keyObject, weakValue);/*from ww w . j ava2s .co m*/ Iterator it = weakMap.keySet().iterator(); while (it.hasNext()) { Object key = it.next(); weakValue = (WeakReference) weakMap.get(key); if (weakValue == null) { System.out.println("Value has been garbage-collected"); } else { System.out.println("Get value"); valueObject = weakValue.get(); } } }
From source file:Main.java
public static void main(String[] args) { String str = "this is a test"; char[] char_array = str.toCharArray(); Map<Character, Integer> charCounter = new TreeMap<Character, Integer>(); for (char i : char_array) { charCounter.put(i, charCounter.get(i) == null ? 1 : charCounter.get(i) + 1); }//from ww w . j a v a 2 s .com for (Character key : charCounter.keySet()) { System.out.println("occurrence of '" + key + "' is " + charCounter.get(key)); } }
From source file:Main.java
public static void main(String[] args) { Map<String, int[]> map = new TreeMap<String, int[]>(); int[] array = new int[3]; array[0] = 0;/*from w ww . j av a 2s . c o m*/ array[1] = 1; array[2] = 2; map.put("array", array); Iterator<String> iter = map.keySet().iterator(); while (iter.hasNext()) { String arrayName = iter.next(); array = map.get(arrayName); System.out.print(arrayName + ":"); for (int i = 0; i < array.length; i++) { System.out.print(array[i]); } } }