我想将对象列表转换为我自己的类类型的列表。到目前为止,我在做什么是:Java - 铸造列表<Object>到列表<Entity>
List<Company> companies = (List<Company>)(Object) repository.findAllCompanyNames();
repository.findAllCompanyNames()
返回一个List<Object>
我公司类的样子:
public class Company {
public Company(){}
public Company(int id, String name){
this.id = id;
this.name = name;
}
public int id;
public String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
我没有得到任何错误的问题是价值演员表companies
这是:
companies = {[email protected]} size = 4
0 = {Object[2]@11753}
0 = {[email protected]} "1"
1 = "Company 1"
1 = {Object[2]@11754}
0 = {[email protected]} "3"
1 = "Company 3"
2 = {Object[2]@11755}
0 = {[email protected]} "4"
1 = "Company TT"
3 = {Object[2]@11756}
0 = {[email protected]} "5"
1 = "Company 34"
4 = {Object[2]@11757}
,我认为companies
列表应包含公司对象,如:
- Id: 1
- Name: Company 1
- etc ..
任何想法,这是怎么回事?
但是,从那里显示,它确实包含它?您只需从类本身和“List”中打印附加哈希码。 – SomeJavaGuy
只是铸造不会改变对象... –
你的'repository.findAllCompanyNames'实际返回什么?如果它没有返回公司,铸造不会改变一件事情。 –