11 Questions
What is the index of the last element in an array?
n-1
How are array elements accessed in Java?
arrayName(index)
What happens when an array is created in Java?
Elements are automatically initialized to 0
What is the correct syntax to declare and create an array in Java in a single step?
datatype[] arrayRefVar = new datatype[arraySize];
What does myList.length return if myList has 15 elements?
15
Which statement about array initializers is correct?
Array initializers must be declared, created, and initialized in one statement to avoid syntax errors.
How are array subscripts accessed in Java?
Array subscripts can be accessed using variables like loop counters.
What is the correct range for array indexes in Java?
Indexes start at 0 and go up to one less than the size of the array.
What is a common mistake that can occur when accessing arrays?
Being off-by-one when accessing arrays.
What variable names are commonly used as counting variables in for loops?
i, j, k
What is a key feature of the shorthand syntax for array initialization?
It must declare, create, and initialize the array in one statement.
Refresh your knowledge on arrays with Ms. Khaznah Alhajri's revision quiz covering Single Dimension Array, Multi-Dimensional Array, and ArrayList concepts. Learn about declaring array variables, creating arrays, and understanding array basics.
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