Collections转换Json字符串方法,代码编译测试

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                    import net.sf.json.JSONArray;

import java.util.ArrayList;
import java.util.List;

/**
 * 集合转json
 */
public class CollectionToJSON {

    /**
     * main
     */
    public static void main(String[] args) {
        List list1 = new ArrayList();
        list1.add("first");
        list1.add("second");
        JSONArray jsonArray1 = JSONArray.fromObject(list1);
        System.out.println("List list1");
        System.out.println(jsonArray1);
        List < Student > list2 = new ArrayList < Student > ();
        list2.add(new Student("stu1", "男", 10));
        list2.add(new Student("stu2", "女", 11));
        list2.add(new Student("stu3", "男", 12));
        JSONArray jsonArray2 = JSONArray.fromObject(list2);
        System.out.println("List<Student> list2");
        System.out.println(jsonArray2);
    }

    public static class Student{
        private String name;
        private String sex;
        private Integer age;

        public Student(String name, String sex, int age) {
            this.name = name;
            this.age = age;
            this.sex = sex;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getSex() {
            return sex;
        }

        public void setSex(String sex) {
            this.sex = sex;
        }

        public Integer getAge() {
            return age;
        }

        public void setAge(Integer age) {
            this.age = age;
        }
    }

}
                

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