第14周JAVA

package duixiang;
 
import java.util.ArrayList;
import java.util.List;
 
public class test {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        List list = new ArrayList();
        list.add("欧欧. Q仔");
        list.add("菲菲. Q妹");
        list.add("满满. Q仔");
        list.add("皮皮:Q仔");
        System.out.println("集合中共有" + list.size() + "企鹅:");
        for (int i = 0; i < list.size(); i++) {
            String str = (String) list.get(i);
            System.out.println(str);
        }
        list.remove(0);
        list.remove(1);
        int size = list.size();
 
        System.out.println("==================================");
 
        System.out.println("删除之后 集合中还有" + size + "企鹅：");
        for (int i = 0; i < list.size(); i++) {
            String str = (String) list.get(i);
            System.out.println(str);
        }
 
        System.out.println("==================================");
 
        if (list.contains("满满:Q仔")) {
            System.out.println("集合中含有满满企鹅的相关信息");
        } else {
            System.out.println("集合暂无满满企鹅的相关信息");
        }
 
    }
 
}