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How to join a list of integers into a string in Java

1 Answer

0 votes
import java.util.*;
import java.util.stream.*;

public class MyClass {
    public static void main(String args[]) {
        List<Integer> lst = Arrays.asList(1, 2, 3, 4, 5);
         
        String s = lst.stream().map(n -> String.valueOf(n)).collect(Collectors.joining(" : "));

        System.out.println(s);
    }
}
 


 
/*
run:

1 : 2 : 3 : 4 : 5

*/

 




answered Jun 26 by avibootz
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