在Java中将getter和setter用于arraylist [英] Using Getter and Setter for arraylist in java

问题描述

我有一个问题，我想设置并从android的setter和getter方法获取 ArrayList .但是我是Android和Java的新手，不知道该怎么做?有人可以帮我解决这个问题吗?

I have a problem that I want to set and get an ArrayList from setter and getter methods of android. But I am new to android and Java and don't know how to do that? Can anyone help me regarding this problem?

推荐答案

示例-

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

public class Test {

List<String> list = null;

public List<String> getList() {
    return list;
}

public void setList(List<String> list) {
    this.list = list;
}

public static void main(String[] args) {
    Test test = new Test();
    List<String> sample = new ArrayList<String>();
    sample.add("element 1");
    test.setList(sample);
    List<String> sample1 = test.getList();
}
}

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