import java.util.ArrayList;
public class AP01 {
public static void main(String[] args) {
ArrayList<String> students = new ArrayList<String>();
students.add("Alex");
students.add("Bob");
students.add("Carl");
for(int k = 0; k< students.size(); k++) {
System.out.print(students.set(k, "Alex") + " ");
}
System.out.println();
for(String str : students) {
System.out.print(str + " ");
}
}
}
Console
Alex Bob Carl
Alex Alex Alex