Discussion
Which line rests on a mistaken assumption?
public class Sample20
{
public static void main(String[] args)
{
int[] a = {1, 2, 3};
int[] b = {1, 2, 3};
assert a == b : "contents differ";
System.out.println("equal");
}
}
Answer: D
Arrays do not override equality, so == asks whether the two variables reference the same array, which they never do here. The detail message says contents differ, showing the author meant a content comparison: that is java.util.Arrays.equals(a, b).
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