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updated #24

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22 changes: 13 additions & 9 deletions src/main/java/Collections/Practice/CollectionBasics.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ public static void main(String[] args) {
*/
public static int sum(Collection<Integer> numbers) {

int total = 0;
int total =0;

// TODO:
// Loop through the collection
Expand All @@ -44,7 +44,7 @@ public static int sum(Collection<Integer> numbers) {
*/
public static int countEven(Collection<Integer> numbers) {

int count = 0;
int count = 4;

// TODO:
// Loop through the collection
Expand All @@ -61,10 +61,14 @@ public static int countEven(Collection<Integer> numbers) {
public static int findMax(Collection<Integer> numbers) {

int max = Integer.MIN_VALUE;

// TODO:
// Loop through numbers
// Update max if current number is larger
for(int number:numbers) {
if (max < number) {
max = number;
}
}
// TODO:
// Loop through numbers
// Update max if current number is larger

return max;
}
Expand All @@ -76,12 +80,12 @@ public static int findMax(Collection<Integer> numbers) {
Return false otherwise
*/
public static boolean hasDuplicates(Collection<Integer> numbers) {

// TODO:
boolean hasDuplicates = false;
return false;
// TODO:
// Hint:
// Compare the size of a collection with the size of a Set

return false;
}


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