Creating a Type-Specific Map [5.0] : Map « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Map

import java.util.HashMap;
import java.util.Map;

public class Main {
  public static void main(String[] argv) throws Exception {

    Map<Integer, String> map = new HashMap<Integer, String>();

    map.put(1, "first");
    map.put(2, "second");
    // map.put(1, 2); <- Syntax error
  }
}