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package java.util;
public class Arrays
{
private Arrays() {}
public static boolean equals(byte[] a, byte[] a2) {
if (a==a2)
return true;
if (a==null || a2==null)
return false;
int length = a.length;
if (a2.length != length)
return false;
for (int i=0; i<length; i++)
if (a[i] != a2[i])
return false;
return true;
}
public static List asList(Object[] a) {
return new ArrayList(a);
}
private static class ArrayList extends AbstractList implements java.io.Serializable
{
private Object[] a;
ArrayList(Object[] array)
{
a = array;
}
public int size()
{
return a.length;
}
public Object[] toArray()
{
return (Object[]) a.clone();
}
public Object get(int index)
{
return a[index];
}
public Object set(int index, Object element)
{
Object oldValue = a[index];
a[index] = element;
return oldValue;
}
public int indexOf(Object o)
{
if (o==null)
{
for (int i=0; i<a.length; i++)
if (a[i]==null)
return i;
}
else
{
for (int i=0; i<a.length; i++)
if (o.equals(a[i]))
return i;
}
return -1;
}
public boolean contains(Object o)
{
return indexOf(o) != -1;
}
}
}
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