单项选择题
A programmer needs to create a logging method that can accept an arbitrary number of arguments.Forexample，it may be called in these ways：
logIt（"log message 1"）；
logIt（"log message 2”，”log message 3"）；
logIt（"log message 4"，"log message 5"，"log message 6"）；
Which declaration satisfies this requirement（）？
A.public void logIt（String*msgs）
B.public void logIt（String[]msgs）
C.public void logIt（String...msgs）
D.public voidl ogIt（Stringmsg1，Stringmsg2，Stringmsg3）
相关考题
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多项选择题
10.publicclassBar{ 11.staticvoidfoo（int...x）{ 12.//insertcodehere 13.} 14.} Which two code fragments，inserted independently at line1 2，will allow the class to compile（）
A.foreach（x）System.out.println（z）；
B.for（intz：x）System.out.println（z）；
C.while（x.hasNext（））System.out.println（x.next（））；
D.for（inti=0；i -
单项选择题
String[] elements={"for"，"tea"，"too"}； String first=（elements.length>0）？elements[0]null； What is the result？（）
A.Compilation fails.
B.An exception is thrown at runtime.
C.The variable first is set to null.
D.The variable first is set to elements[0]. -
单项选择题
11.public static void main（String[]args）{ 12.Object obj=new int[]{1，2，3}； 13.int[] someArray=（int[]）obj； 14.for（inti：someArray）System.out.print（i+""） 15.} What is the result？（）
A.123
B.Compilation fails because of an error in line 12.
C.Compilation fails because of an error in line 13.
D.Compilation fails because of an error in line 14.
E.A ClassCastException is thrown at runtime.
