Question
a)
public Object fetch(int index)
{
List cur = this.next;
Object val = null;
while (cur != null && cur.index != index)
{
cur = cur.next;
}
if (cur != null)
{
val = cur.val;
} else
{
val = null;
}
return val;
}
b)
public Object fetch(int index)
{
List cur = this;
Object val = null;
while (cur != null && cur.index != index)
{
cur = cur.next;
}
if (cur != null)
{
val = cur.val;
} else
{
val = null;
}
return val;
}
c)
public Object fetch(int index)
{
List cur = this;
Object val = null;
while (cur != null && cur.index != index)
{
cur = cur.index;
}
if (cur != null)
{
val = cur.val;
} else
{
val = null;
}
return val;
}
d) None of the mentioneda.
a
b.
b
c.
c
d.
d
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Q. Which of the following performs the fetch operation?
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