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- package lesson_02;
- import java.util.ArrayList;
- public class Starter {
- public static void main(String[] args) {
- ArrayList<Integer> al1 = new ArrayList<Integer>();
- al1.add(10);
- al1.add(7);
- al1.add(70);
- System.out.println("#1#");
- for(int n=0; n<al1.size(); n++) {
- System.out.println(al1.get(n));
- }
- al1.remove(1);
- System.out.println("#2#");
- for(int n=0; n<al1.size(); n++) {
- System.out.println(al1.get(n));
- }
- al1.set(0, 17);
- System.out.println("#3#");
- for(int n=0; n<al1.size(); n++) {
- System.out.println(al1.get(n));
- }
- }
- }
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