Question

Is this is the valid declaration of the array in Java.



int arr_name[][] = new int[][] {

new int[] {10, 20, 30 ,40};

new int[] {50, 60, 70, 80, 90, 100};

new int[] {110, 120};

};


True

False

Answer 1

Explanation:

False

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Answer 2

False

int arr_name[][] = new int[][] {

new int[] {10, 20, 30 ,40};

new int[] {50, 60, 70, 80, 90, 100};

new int[] {110, 120};

};

• All of the following Java array declarations are legitimate: String[] stringArray; Integer[] intArray; String[] stringArray; MyClass myClassArray, MyClass myClass;
• In C++, an array is often declared as type name [elements], where type is a valid type (such int or float), name is a valid identifier, and elements, which is usually wrapped in square brackets [], determines the array's size.
• Capital letters A–Z, lowercase letters a–z, numerals 0–9, and two special characters, such as the underscore (_) and dollar sign ($), can all be used in a variable name. No digits are permitted as the initial character. Variable names cannot contain blank spaces. The names of variables cannot contain Java keywords.

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