Answer:
The method in Java is as follows:
public static int numUnique(int list[]) {
int unique = 1;
for (int i = 1; i < list.length; i++) {
int j = 0;
for (j = 0; j < i; j++) {
if (list[i] == list[j])
break;
}
if (i == j)
unique++;
}
return unique;
}
Explanation:
This line defines the numUnique method
public static int numUnique(int list[]) {
This initializes the number of unique elements to 1
int unique = 1;
This iterates through the list
for (int i = 1; i < list.length; i++) {
The following iteration checks for unique items
int j = 0;
<em> for (j = 0; j < i; j++) {
</em>
<em> if (list[i] == list[j]) </em><em>If current element is unique, break the iteration</em><em>
</em>
<em> break; </em>
<em> }
</em>
if (i == j)
unique++;
}
This returns the number of unique items in the list
return unique;
}
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Answer:
A total of 128 characters can be represented in the standard ASCII encoding.
Explanation:
The American Standard Code for Information Interchange (ASCII) was created to make an international standard for encoding the Latin letters. In 1963, ASCII was received so data could be deciphered between PCs; speaking to lower and upper letters, numbers, images, and a few orders.
Since ASCII is encoded using ones and zeros, the base 2 number framework, it uses seven bits. Seven bits permits 2 to the power of 7 = 128 potential blends of digits to encode a character.
ASCII consequently ensured that 128 significant characters could be encoded.
