package cn.amazon.aws.rp.spapi.utils; import java.util.Collection; public class Utils { public static String getEnv(String name){ return System.getenv(name); } public static String getEnv(String name, String value) { String val = System.getenv(name); return val == null ? value : val; } public static <T> boolean isNullOrEmpty(Collection<T> list) { return list == null || list.isEmpty(); } }