MCQ Revision

What is the output of arr[0][0] if arr = {{9, 8}, {7, 6}}?

True or False : Linear Search is faster then Binary Search

The java statement System. out. println(x[x. length]) results in:

Write the syntax to initialize an array with values 10, 20, 30.

char ch[ ] = {‘X’, ‘Y’, ‘Z’, ‘W’}; System.out.print(ch[0] + 50);

What is the output of arr[0][2] if arr = {{1,2,3}, {4,5,6}}?

What is the index of the last row in int[5][3]?

How many total elements are there in int[3][4]

What is the highest index of any array with 100 elements?

What is the output of arr[arr.length - 1]? (If arr = {2, 4, 6, 8})

True or False: The size of an array can be changed after declaration.

What will arr[2][1] return if arr = {{1,2}, {3,4}, {5,6}}?

Assertion :An array can store elements of different data types. Reason: An array is a user-defined data type with multiple values of the same data type but a different memory index.

What is the output of the following code segment in Java? int[] array = {1, 2, 3}; System.out.println(array[3]);;

Which searching technic required sorted array.

The ith element in the array has an index _________

Calculate the total memory (in bytes) required to store a double array of size 6.

What will be the output of the following code snippet? int[] arr = {1, 2, 3, 4, 5}; System.out.println(arr.length);