Example usage for java.util WeakHashMap put

Introduction

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

Prototype

public V put(K key, V value) 

Source Link

Document

Associates the specified value with the specified key in this map.

Usage

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> hashMap = new HashMap<String, String>();

    hashMap.put("1", "first");
    hashMap.put("2", "two");
    hashMap.put("3", "from java2s.com");
    Map<String, String> weakHashMap = new WeakHashMap<String, String>(hashMap);
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // check existence of value "from java2s.com"
    System.out.println("Checking value 'three'");
    System.out.println(weakHashMap.containsValue("from java2s.com"));
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // check key value 
    System.out.println("Checking value for key 1");
    System.out.println(weakHashMap.containsKey("1"));
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // check existence of value for key 2
    System.out.println("Checking value for key 2");
    System.out.println(weakHashMap.get("2"));
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // printing the contents of the Map
    System.out.println("Contents of the Map");
    System.out.println(weakHashMap);

    // populating the set
    Set set = weakHashMap.keySet();
    System.out.println("Contents of the set");
    System.out.println(set);// ww w  .  j  a va 2s.  co  m
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // print the contents  
    System.out.println("Contents in the Map");
    System.out.println(weakHashMap);

    // call clear() method
    System.out.println("Clear the Map");
    weakHashMap.clear();/*from www  .  j  a v a 2 s.  com*/

    // again print the contents
    System.out.println("Contents in the Map");
    System.out.println(weakHashMap);
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // printing the Map
    System.out.println("Map: " + weakHashMap);

    // returns a Set view of the Map
    Set set = weakHashMap.entrySet();

    // printing the set
    System.out.println("Set: " + set);

    // change Map value
    weakHashMap.put("3", "new value");

    // print Map and set
    System.out.println("Changed Map: " + weakHashMap);
    System.out.println("Changed Set: " + set);

}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    System.out.println("Putting values into the Map");
    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // checking the size of the Map
    System.out.println("Map size: " + weakHashMap.size());
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    System.out.println("Putting values into the Map");
    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // checking the size of the Map
    System.out.println("Map values: " + weakHashMap);

    Collection col = weakHashMap.values();
    System.out.println("Collection values: " + col);
}

---

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    System.out.println("Putting values into the Map");
    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // checking Map
    System.out.println("Map: " + weakHashMap);

    // remove value at key 2      
    System.out.println("Returned value: " + weakHashMap.remove("2"));
    System.out.println("New Map: " + weakHashMap);
}

---

• «
• 1
• 2
• 3
• »