Example usage for java.util TreeMap TreeMap

Introduction

In this page you can find the example usage for java.util TreeMap TreeMap.

Prototype

public TreeMap()

Source Link

Document

Constructs a new, empty tree map, using the natural ordering of its keys.

Usage

From source file:Main.java

public static final <K, V> SortedMap<K, V> newTreeMap() {
    return new TreeMap<K, V>();
}

From source file:Main.java

/****
 * TreeMap
 * @return
 */
public static <K, V> Map<K, V> newTreeMap() {
    return new TreeMap<K, V>();
}

From source file:Main.java

public static <T> TreeMap<String, T> arraryToTreeMap(T[] itemsArray) {
    TreeMap<String, T> map = new TreeMap<String, T>();
    T[] arrayOfObject = itemsArray;//from  w w w  . j a va  2s  .c om
    int j = itemsArray.length;
    for (int i = 0; i < j; i++) {
        T s = arrayOfObject[i];
        map.put(s.toString(), s);
    }
    return map;
}

From source file:Main.java

private static Map<Integer, Integer> mergeByTreeMap(int[] a, int[] b) {
    Map<Integer, Integer> map = new TreeMap<Integer, Integer>();
    for (int i = 0; i < a.length; i++) {
        map.put(a[i], a[i]);//w  w  w  .  j a  v  a 2  s .  c  om
    }
    for (int i = 0; i < b.length; i++) {
        map.put(b[i], b[i]);
    }
    return map;
}

From source file:Main.java

public static <K, V> TreeMap<K, V> getTreeMap() {
    return new TreeMap<K, V>();
}

From source file:Main.java

public static void addSystemPath(String key, String value) {
    if (pathMap == null)
        pathMap = new TreeMap<String, String>();
    pathMap.put(key, value);//ww  w.  j  av  a2s  .  c o m
}

From source file:Main.java

public static <K, V> TreeMap<K, V> createTreeMap() {
    return new TreeMap<K, V>();
}

From source file:Main.java

/**
 * Type-safe initializer.//from   ww  w  .jav  a 2 s . c om
 */

public static final <K, V> TreeMap<K, V> newTreeMap() {

    return new TreeMap<K, V>();
}

From source file:Main.java

public static <T> Map<T, Integer> frequency(Collection<? extends T> collection) {
    Map<T, Integer> res = new TreeMap<>();
    for (T element : collection) {
        if (!res.containsKey(element)) {
            res.put(element, Collections.frequency(collection, element));
        }//w  w w  .  j  a v  a2 s  .  c o m
    }
    return res;
}

From source file:Main.java

private static <T> Map<Integer, T> asMap(AtomicReferenceArray<T> a) {
    Map<Integer, T> map = new TreeMap<Integer, T>();
    for (int i = 0; i < a.length(); i++) {
        T t = a.get(i);//w ww .  ja va 2s  .c om
        if (t != null) {
            map.put(i, t);
        }
    }
    return map;
}