As seen on http://blog.japila.pl/2012/03/clojures-java-interop-in-java/

embed-clojure-in.java

import java.util.Arrays;
import java.util.Iterator;
 
import clojure.lang.IFn;
import clojure.lang.LazySeq;
import clojure.lang.RT;
 
public class Main {
 
    public static void main(String[] args) {
        IFn map = RT.var("clojure.core", "map");
        IFn inc = RT.var("clojure.core", "inc");
        LazySeq seq = (LazySeq) map.invoke(inc, new int[] { 1, 2, 3 });
        System.out.println(Arrays.asList(seq.toArray()));
    }
 
}