package zzzTest;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Iterator;

import java.util.List;

import java.util.stream.Collectors;

import java.util.stream.Stream;

public class ListTest {

static class Person {

int age;

String name;

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public Person(int age) {

this.age = age;

}

@Override

public String toString() {

return "Person{" +

"age=" + age +

", name='" + name + '\'' +

'}';

}

}

public static void main(String[] args) {

List<Person> personList = new ArrayList<>();

personList.add(new Person(1));

personList.add(new Person(2));

for (Person p : personList) {

p.setName("dd");

}

System.out.println(personList.toString());

}

private void testIterator() {

List<Integer> applyIds = new ArrayList<>();

applyIds.add(123);

applyIds.add(234);

Iterator<Integer> iterator = applyIds.iterator();

while (iterator.hasNext()) {

Integer next = iterator.next();

System.out.println(next);

}

}

private void testIsEmpty() {

List<String> applyIds = null;

System.out.println(applyIds.isEmpty());

}

private String[] getStringArray(List<Integer> applyIds) {

if (applyIds!=null && applyIds.size()>0){

String[] strings = new String[applyIds.size()];

int i = 0;

for (Integer integer : applyIds) {

strings[i++] = integer.toString();

}

return strings;

}

return null;

}

private static void testList2Array() {

List<Integer> applyIds = new ArrayList<>();

applyIds.add(123);

applyIds.add(234);

String[] strings = new String[applyIds.size()];

try {

// applyIds.toArray(strings);

// final int i =applyIds.size();

// Stream<String> stringStream = applyIds.stream().map(item -> item.toString());

// String[] strArray = stringStream.toArray(item -> new String[i]);

String[] strArray = applyIds.stream().map(item -> item.toString()).toArray(item -> new String[applyIds.size()]);

System.out.println(Arrays.asList(strArray));

System.out.println("----------------------------------------------------------");

Arrays.asList(applyIds);

} catch (Exception e) {

e.printStackTrace();

}

deal(strings);

}

private static void deal(String... str) {

System.out.println(str.toString());

}

private static void testDistince() {

List<String> fatherList = new ArrayList<>();

fatherList.add("快餐便当");

fatherList.add(null);

System.out.println(fatherList.toString());

List<String> unique = fatherList.stream().distinct().collect(Collectors.toList());

System.out.println(unique);

}

static class SponsorTypeDto{

private int sourceId;

private int sourceCount;

public SponsorTypeDto(int sourceId, int sourceCount) {

this.sourceId = sourceId;

this.sourceCount = sourceCount;

}

public int getSourceId() {

return sourceId;

}

public void setSourceId(int sourceId) {

this.sourceId = sourceId;

}

public int getSourceCount() {

return sourceCount;

}

public void setSourceCount(int sourceCount) {

this.sourceCount = sourceCount;

}

}

}