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【多选题】
下列关于Servlet生命周期的说法正确的是______。A.
构造方法只会调用一次，在容器启动时调用
B.
init()方法只会调用一次，在第一次请求此Servlet时调用
C.
service()方法在每次请求此Servlet时被调用
D.
destroy()方法在每次请求完毕时会被调用
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