单项选择题
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?()
多项选择题 Which two code fragments correctly create and initialize a static array of int elements()
单项选择题 55.int[]x={1,2,3,4,5}; 56.inty[]=x; 57.System.out.println(y[2]); Whichistrue?()