import com.google.common.collect.Interner;
import com.google.common.collect.Interners;
import org.junit.Assert;
import org.junit.Test;

public class InternBuilderUnitTests {

    @Test
    public void interBuilderTest(){

        Interner<Integer> interners = Interners.<Integer>newBuilder()
                .concurrencyLevel(2)
                .strong()
                .<Integer>build();

        Assert.assertNotNull(interners);
    }

}