Java TreeMap.put(K key, V value)
Syntax
TreeMap.put(K key, V value) has the following syntax.
public V put(K key, V value)
Example
In the following code shows how to use TreeMap.put(K key, V value) method.
/*from w w w . j a va 2 s.c om*/
import java.util.TreeMap;
public class Main {
public static void main(String[] args) {
TreeMap<Integer, String> treemap = new TreeMap<Integer, String> ();
treemap.put(2, "two");
treemap.put(1, "one");
treemap.put(3, "three");
treemap.put(6, "six");
treemap.put(5, "from java2s.com");
// Putting value at key 3
System.out.println("Value before modification: "+ treemap);
System.out.println("Value returned: "+ treemap.put(3,"java2s.com"));
System.out.println("Value after modification: "+ treemap);
}
}
The code above generates the following result.
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