BRPI_Sample.java

package ex;

import org.threeten.bp.LocalDate;

import edu.emory.mathcs.backport.java.util.Collections;
import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
import edu.emory.mathcs.backport.java.util.concurrent.Executors;

public class BRPI_Sample {
    public void emory() {
        Collections.emptySet();
        Executors.newCachedThreadPool();
        new ConcurrentHashMap();
    }

    public void threeten() {
        LocalDate d = LocalDate.now();
    }
}