hashmap get value java
//Import Hashmap
import java.util.HashMap;
HashMap<String, String> dir = new HashMap<String, String>();
//Add key, values
dir.put("hi", "hello");
dir.put("wow", "amazing");
//print value for hi.
System.out.println(dir.get("hi");JAVA HashMap get keys by values
Map<String, String> map = new HashMap<String, String>();
map.put("abc", "123");
map.put("xyz", "456");
for(Entry<String, String> entry : map.entrySet()) {
if(entry.getValue().equalsIgnoreCase("456")) {
System.out.println(entry.getKey());
}
}hashmap get value by key java
import java.util.HashMap;
//Within a class
//You can do new HashMap<Key Type, Value Type>();, but you don't need to
HashMap<Int, String> examplehashmap=new HashMap<>();
{
//put in values
examplehashmap.put(5, "example");
};
//get value
examplehashmap.get(5);
//returns "example"Copyright © 2021 Codeinu
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