how to use a hashmap in java code example
Example 1: new hashmap java
Map<String, String> myMap = new HashMap<String, String>() {{
put("a", "b");
put("c", "d");
}};
Example 2: declare hashmap java
Map<String, Integer> d = new HashMap<>();
Example 3: hashmaps java
import java.util.HashMap;
HashMap<Int, String> examplehashmap=new HashMap<>();
{
examplehashmap.put(5, "example");
};
examplehashmap.get(5);
Example 4: how to create a hashmap in java
HashMap<Integer,String> map=new HashMap<Integer,String>();