题目内容

声明一个有5个int元素的数组，正确的是

A. int intArray = new int[5];
B. int intArray = new int(5);
C. int[] intArray = new int[5];
D. int[5] intArray = new int[5];

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下面声明正确的是：

A. Object obj = new Object();
B. Object[] obj = new Object();
C. Object obj[] = new Object();
D. Object[] obj = new Object[];

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下面代码的输出结果为：String[] numbers = {"one","two","three"};System.out.println(numbers[3] + " " + numbers[2] + " " + numbers[1]);

A. one two three
B. three two one
C. 产生编译错误
D. 运行时将抛出异常

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下面代码的输出结果是：int[] testScores = {80, 63, 99, 87,100};System.out.println("Length: " + testScores.length);

A. Length: 4
B. Length: 5
C. Length: 100
D. 产生编译错误

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下面声明那个会产生编译错误：

A. double[][] numbers = {{1,2,3},{7,8},{4,5,6,9}};
B. double[][] numbers = new double[7][];
C. double[][] numbers = new double[][];
D. double[][] numbers = new double[7][3];

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声明一个有5个int元素的数组，正确的是

A. int intArray = new int[5]; B. int intArray = new int(5); C. int[] intArray = new int[5]; D. int[5] intArray = new int[5];

下面声明正确的是：

下面代码的输出结果为：String[] numbers = {"one","two","three"};System.out.println(numbers[3] + " " + numbers[2] + " " + numbers[1]);

下面代码的输出结果是：int[] testScores = {80, 63, 99, 87,100};System.out.println("Length: " + testScores.length);

下面声明那个会产生编译错误：

A. int intArray = new int[5];
B. int intArray = new int(5);
C. int[] intArray = new int[5];
D. int[5] intArray = new int[5];