Example usage for java.util HashMap put

Introduction

In this page you can find the example usage for java.util HashMap 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:MainClass.java

public static void main(String[] a) {

    HashMap map = new HashMap();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    HashMap map2 = (HashMap) map.clone();
    System.out.println(map2);//w w  w. ja  v a  2 s .c  om
}

From source file:Main.java

public static void main(String[] args) {
    HashMap<String, int[]> h = new HashMap<String, int[]>();
    h.put("PID", new int[] { 1, 2 });

    System.out.println(h.get("PID")[0]);
    System.out.println(h.get("PID")[1]);
}

From source file:BoxingGenericsExample.java

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

    hm.put("speed", 20);
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    System.out.println(map.size());
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    HashMap map2 = (HashMap) map.clone();
    System.out.println(map2);/*  w  w  w  .j ava2  s  .  c  o  m*/
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");
    map.clear();/*from   w w w.  j a  v a 2s. c  om*/

    System.out.println(map);
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    System.out.println(map.containsKey("key1"));
    System.out.println(map.containsValue("value2"));
}

From source file:Main.java

public static void main(String[] a) {
    HashMap<String, String> map = new HashMap<String, String>(10);
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");

    System.out.println(map);/*from   www .  ja v  a 2s . co m*/
}

From source file:Main.java

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

    hMap.put("1", "One");
    hMap.put("2", "Two");
    hMap.put("3", "Three");

    System.out.println(hMap.containsValue("Two"));
}

From source file:Main.java

public static void main(String[] a) {

    HashMap<String, String> map = new HashMap<String, String>();
    map.put("key1", "value1");
    map.put("key2", "value2");
    map.put("key3", "value3");
    map.remove("key3");

    System.out.println(map);/*from  w  ww. j a v  a2 s .c o m*/
}