Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...
JDK17中已经引入了依赖，但是启动报错找不到类；也已经增加了 --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED 参数。 Caused by: java.lang.NoClassDefFoundError: com/qcloud/cos/COS at ...
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3373) at java.base/java ...
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