Question
class Test1
{
public int value;
public int hashCode() { return 42; }
}
class Test2
{
public int value;
public int hashcode() { return (int)(value^5); }
}
class Test1
{
public int value;
public int hashCode() { return 42; }
}
class Test2
{
public int value;
public int hashcode() { return (int)(value^5); }
}
which statement is true?
Answer: Option C
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The so-called "hashing algorithm" implemented by class Test1 will always return the same value,
42, which is legal but which will place all of the hash table entries into a single bucket, the most
inefficient setup possible.
Option A and D are incorrect because these classes are legal.
Option B is incorrect based on the logic described above.
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