1. What is the content of element X of index 6, when int X[] ={4,7,2,3,4,5};

   		5
   		Not exist
   		4
   		0

1. Which of the following shows the correct use of array int X[10];?

   		X[10]= in.nextInt();
   		X = X[1] + 3;
   		System.out.println( "Array x has " + X);
   		X=X[1] += 30;

1. Choose statement that correctly declares array num.

   		int num = [10];
   		int num[]= new int[10];
   		int[] num = new [80];
   		num int[] = new int[10]

1. What is the best case scenario for insertion sort?

   		O(n2)
   		O(n)
   		O(1)
   		O(log2 n)

1. Bubble sort average case scenario is __________.

   		O(n)
   		O(log n)
   		O(1)
   		O(n2)