Java HashMap() Constructor
Syntax
HashMap() constructor from HashMap has the following syntax.
public HashMap()
Example
In the following code shows how to use HashMap.HashMap() constructor.
/*from w ww . ja v a 2 s .c om*/
import java.util.HashMap;
public class Main {
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);
}
}
The code above generates the following result.
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