How do you declare a dynamic array (ArrayList) of integers in Java?
A. ArrayList
B. ArrayList
C. ArrayList
D. int[] numbers = new int[5];
Answer: Option B
This Question Belongs to Java Program >> Array
In Java, arrays are objects of which class?
A. Array
B. Collection
C. ArrayList
D. None of the above
How do you declare a one-dimensional array in Java?
A. int[] myArray;
B. int myArray[];
C. Array
D. All of the above
What is the default initial value of numeric elements in an array of type int in Java?
A. 0
B. 1
C. -1
D. Null
What is the correct way to initialize a two-dimensional array in Java?
A. int[][] myArray = {{1, 2}, {3, 4}};
B. int[2][2] myArray = {{1, 2}, {3, 4}};
C. int[2][2] myArray; myArray[0][0] = 1; myArray[0][1] = 2; myArray[1][0] = 3; myArray[1][1] = 4;
D. None of the above
Join The Discussion