How to initialize variables from list in Java?

Question

Suppose that I have created a list of names, eg:

Martin 
Paul 
Diego 
Damian 
etc.

And I need to initialize respectively, for example (psuedocode):

Martin int = 0;

And you create them an Output same for all, which is (psuedocode):

System.out.println (Martin + "Martin foundn";

How to do this automatically?

Unihedron · Accepted Answer · 2014-10-17 19:25:42Z

3

You're looking for a HashMap, which maps keys to their values.

HashMap<String, Integer> map = new HashMap<>();
map.put("Martin", 0);
// etc
System.out.println(map.get("Martin"));

You can see the official documentation for what you can do this with, but this is the class you will need specifically.

answered Oct 17, 2014 at 19:25

Unihedron

11.1k13 gold badges65 silver badges72 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

davek · Accepted Answer · 2014-10-19 09:48:55Z

1

You could define them as an Enum with (hopefully immutable) behaviour:

enum Person {
    MARTIN {
        public String pName() {
            return "something here";
        }
        public int pNumber() {
            return 0;
        }
    },
    PAUL {
        public String pName() {
            return "something else";
        }
        public int pNumber() {
            return 1;
        }
    };

    public abstract String pName();
    public abstract int pNumber();
}

edited Oct 19, 2014 at 9:48

answered Oct 17, 2014 at 19:31

davek

23k11 gold badges80 silver badges97 bronze badges

2 Comments

davek Over a year ago

@Unihedron: now in uppercase,

Unihedron Over a year ago

This works and could be what OP wants if they're looking for immutable behaviour.

Collectives™ on Stack Overflow

How to initialize variables from list in Java?

2 Answers 2

Comments

2 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

2 Comments

Your Answer

Sign up or log in

Post as a guest

Related