import java.util.ArrayList;
public class CollectionExample {
public static void main(String[] args) {
ArrayList<String> list = new ArrayList<>();
list.add("Apple");
list.add("Banana");
list.add("Orange");
list.remove("Banana");
list.set(0, "Mango");
if (list.contains("Orange")) {
System.out.println("List contains Orange");
}
for (String fruit : list) {
System.out.println(fruit);
}
}
}
import java.util.ArrayList;
import java.util.Collections;
public class SortingExample {
public static void main(String[] args) {
ArrayList<Integer> numbers = new ArrayList<>();
numbers.add(5);
numbers.add(2);
numbers.add(8);
Collections.sort(numbers);
int index = Collections.binarySearch(numbers, 2);
System.out.println("Index of 2: " + index);
}
}
