Answer:
The answer is option 1 arr.length.
Explanation:
In java arr.length gives the correct number of elements in the array.The length is function is only applicable for arrays.
The length() method is applicable for strings.
arr.length-1 will give 1 element less.
There is no .size for arrays in java.
So we conclude that arr.length is correct way of getting the number of elements in one dimensional array arr.
Explanation:
2.there will be 8 books left on the shelf if each child takes one
Answer:
A CD-RW (which stands for Compact Disc ReWritable) is a Compact disc that can be recorded and erased multiple times. It can hold data or music. Most of the time it will hold data, since many CD players can not play CD-RWs. During its development, the format was known as CD-E, which stands for Compact Disc Erasable.
