ArrayList的使用
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package test;import java.util.ArrayList;public class ArrayListDemo {public static void main(String[] args) {// TODO 自动生成的方法存根ArrayList students = new ArrayList();Student student[] = {new Student("zhangsan",70),new Student("lisi",80),new Student("wangwu",100)};students.add(student[0]);students.add(student[1]);students.add(student[2]);print(students);print(students.contains(student[0]));print(students.get(0));print(students.isEmpty());students.remove(student[0]);print(students);}public static void print(Object obj){System.out.println(obj);}}class Student{String name;int score;Student(String name,int score){this.name = name;this.score = score;}}
