public static void systemTest() {
Map<String, String> getenv = System.getenv();
for (Map.Entry<String, String> kvp : getenv.entrySet()) {
System.out.println(String.format("环境变量:%S,值为:%s", kvp.getKey(), kvp
.getValue()));
}
System.out.println("properties属性:");
Properties properties = System.getProperties();
properties.list(System.out);
}
java 中System类
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转载自blog.csdn.net/manbufenglin/article/details/52043725
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