I beleive all of the above for question one
Answer:
Is it Multiple Choice Question?
Answer:
B) because it is hard to find cables that have the same standard.
Explanation:
Hope this helps!
You can do something like this :
Scanner sc = new Scanner(System.in);
int[] nums = new int[4];
for(int i = 0; i < nums.length; i++) {
System.out.println("Enter next number: ");
nums[i] = sc.nextInt();
EXE files are executable files.
PNG files are picture files like JPEG etc.