How can I call non static methods from the main in java?

Question

I'm trying to call a non static method from the main method. all of these are in the same class, I know that if the method i am calling isnt static the program yields an error. How can i call the methods from the main without changing them to static?

public class BinSearch {
   public static void main(String[] args){
      createArray();

   }

   //creates an array
   public int[] createArray(){
   .....
   }
}

by learning java only. get a basic knowledge of class and you can solve your problem — SacJn, Oct 23 '15 at 08:18
i think you should read java basic more. then you wont get these doubt. — soorapadman, Oct 23 '15 at 08:19

score 2 · Answer 1 · answered Oct 23 '15 at 08:19

Instantiate an object of the class in which that method belongs and you'll be able call that method. Like this:

public class BinSearch {
    public static void main(String[] args){
        BinSearch myObj = new BinSearch();
        int[] a = myObj.createArray();
}

score 1 · Answer 2 · answered Oct 23 '15 at 08:20

1

You need to create an instance of BinSearch

(new BinSearch()).createArray();

answered Oct 23 '15 at 08:20

Igor Devescovi

31
2

score 0 · Answer 3 · answered Oct 23 '15 at 08:20

0

public class BinSearch {
   public static void main(String[] args){
      BinSearch bs = new BinSearch();
      bs.createArray();

   }

   //creates an array
   public int[] createArray(){
   .....
   }
}

answered Oct 23 '15 at 08:20

Jonah Graham

7,890
23
55

How can I call non static methods from the main in java?

3 Answers3