下面程序的运行结果是____ int x=30; int[] numbers=new int[x]; x=60; System.out.println(numbers.length);A.60B.20C.30D.50

下面程序的运行结果是____ int x=30; int[] numbers=new int[x]; x=60; System.out.println(numbers.length);

A.60

B.20

C.30

D.50


参考答案和解析
30

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