AssumeataghandlerextendsTagSupport.Whichisusedwithinthetaghandlertogetanattribute“foo”thatisintheapplicationscope?()A.pageContext.getAttribute(“foo”);B.getPageContext().getAttribute(“foo”);C.pageContext.getApplicationScope(“foo”);D.pageContext.getAttribut

题目
AssumeataghandlerextendsTagSupport.Whichisusedwithinthetaghandlertogetanattribute“foo”thatisintheapplicationscope?()

A.pageContext.getAttribute(“foo”);

B.getPageContext().getAttribute(“foo”);

C.pageContext.getApplicationScope(“foo”);

D.pageContext.getAttribute(“foo”,pageContext.APPLICATION_SCOPE).getAttribute(“foo”);

E.getPageContext().getScope(pageContext.APPLICATION_SCOPE).getAttribute(“foo”);


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  • 第1题:

    GivenanELfunctionfoo,innamespacefunc,thatrequiresalongasaparameterandreturnsaMap,which twoarevalidinvocationsoffunctionfoo?()

    A.${func(1)}

    B.${foo:func(4)}

    C.${func:foo(2)}

    D.${foo(5):func}

    E.${func:foo("easy")}

    F.${func:foo("3").name}


    参考答案:C, F

  • 第2题:

    Whichcommandseriesshouldbeusedtodeterminewhetherfilepagingorpagingspacepagingisaproblemwhenrunningaprogramfromanidlesystem?()

    A.foo;lsps-s

    B.tprof-kx;foo

    C.iostat;foo;iostat

    D.vmstat-s;foo;vmstats


    参考答案:D

  • 第3题:

    foo对象有att属性,怎么获取att的值:()。

    A.foo.att

    B.foo{"att"}

    C.foo.getAttribute(“att”)

    D.foo("att")


    foo.att;foo[“att”];foo[“a”+”t”+”t”]

  • 第4题:

    A developer is creating a class Book that needs to access class Paper.The Paper class is deployed in a JARnamedmyLib.jar.Whichthree,taken independently,will allow the developer to use the Paper class while compiling the Book class?()

    A.The JAR fileis located at$JAVA_HOME/jre/classes/myLib.jar.

    B.The JAR fileis located at$JAVA_HOME/jre/lib/ext/myLib.jar.

    C.TheJ AR fileis located at/foo/myLib.jar and aclasspath environment variable is set that includes /foo/myLib.jar/Paper.class.

    D.The JAR fileis located at/foo/myLib.jar and a classpath environment variable is set that includes/foo/myLib.jar.

    E.The JAR file is located at/foo/myLib.jar and the Book class is compiled using javac-cp/foo/myLib.jar/Paper Book.java.

    F.The JAR file is located at/foo/myLib.jar and the Book class is compiled using javac-classpath/foo/myLib.jar Book.java.


    参考答案:B, D, F

  • 第5题:

    foo对象有att属性,那么获取att属性的值,以下哪些做法是可以的()。

    A.foo.att

    B.foo(“att”)

    C.foo[“att”]

    D.foo{“att”}


    答案:AC