A. PAT is not supported.
B. PAT is enabled by default.
C. It supports the address-persistent configuration option.
D. It supports the junos-global configuration option.
下列CASE语句中执行结果不为空的是()A、SELECTCASEWHEN125THEN'true'ELSE'false'END;B、SELECTCASEBINARY'B'WHEN'a'THEN1WHEN'b'THEN2END;C、SELECTCASEWHEN-10THEN'true'END;D、SELECTCASE'one'WHEN1THEN'one'WHEN2THEN'two'END;
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以下程序段的输出结果为 ( )int j=2；switch(j){case 2：System.out.print("two.")；case 2+1：System.out.println("three.")；breakdefault：System.out.println("value is"+j)；break；}A．two.three.B．two.C．three.D．value is 2
publicclassTest{publicstaticvoidmain(String[]args){booleanassert=true;if(assert){System.out.println(”assertistrue”);}}}Given:javac－source1.3Test.javaWhatistheresult?()A.Compilationfails.B.Compilationsucceedswitherrors.C.Compilationsucceedswithwarnings.D.Compilationsucceedswithoutwarningsorerrors.
下列复选框构造方法，错误的是 ( )A．setLayout(new GridLayout(3，1))；B．add(new Checkbox("one"，null，true))；C．add(new Checkbox("two"))；D．add(new Checkbox("one"，true))；
下列复选框构造方法，错误的是()。A．setLayout(newGridLayout(3,1));B．add(newCheckbox("one",null,true));C．add(newCheckbox("tWO");D．add(newCheckbox("one",true);
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2： system.out.print("two.")： Case 2+1： System.out.println("three.")； break： default: System.out.println (“value is”+j): Break }A.B.twoA．two.three.B．twoC．threeD．value is 2
WhichofthefollowingareassociatedwiththeapplicationlayeroftheOSImodel?(two.)()A.pingB.TelnetC.FTPD.TCPE.IP
