Commons Lang、ClassUtils の Field

import org.apache.commons.lang.ClassUtils;

public class C2009081500 {
    public static void main(String[] args) {
        System.out.println(ClassUtils.INNER_CLASS_SEPARATOR);
        System.out.println(ClassUtils.INNER_CLASS_SEPARATOR_CHAR);
        System.out.println(ClassUtils.PACKAGE_SEPARATOR);
        System.out.println(ClassUtils.PACKAGE_SEPARATOR_CHAR);
    }
}

で、

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