单项选择题
A.Line 26 prints "a" to System.out.
B.Line 26 prints "b" to System.out.
C.An exception is thrown at line 26 at runtime.
D.Compilation of class A will fail due to an error in line 6.
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（）？
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（）
单项选择题 String[] elements={"for"，"tea"，"too"}； String first=（elements.length>0）？elements[0]null； What is the result？（）