Consider the following code snippet: In Java 6 and later, which statement copies the data array to the data2 array?
A)data2 = Arrays.copyOf(data, data2.length);
B)data2 = Arrays.copyOf(data, data.length);
C)data2 = Arrays.copyOf(data, data.size());
D)data2 = Arrays.copyOf(data);

Question

Consider the following code snippet:  In Java 6 and later, which statement copies the data array to the data2 array? 
A)data2 = Arrays.copyOf(data, data2.length); 
B)data2 = Arrays.copyOf(data, data.length); 
C)data2 = Arrays.copyOf(data, data.size()); 
D)data2 = Arrays.copyOf(data);

Quizplus · Accepted Answer

Arrays.copyOf() method creates a new array with the specified size and copies the original array elements to it. In this case, data2 has to be of the same size as data to copy all of its elements. Therefore the correct statement is Arrays.copyOf(data, data.length);

Consider the Following Code Snippet: in Java 6 and Later