How to store multiple values of a same category in SQL using JAVA Spring orJhipster -

i need write java code stores following in sql single submit button.

i need retrieve names table (employees) , display in ui , have inputs ( salary, department, manager) user , have store each row table (salary_details) in sql.

as per understandig can write dto class following

private string name1; private string salary1; private string department1; private string manager1; 

but not sure total number of employees in employees table.

1. how can achieve using java spring?
2. how write dto class ui page store values?
3. is there alternative way this?

note: using jhipster develop project, if there way handle in jhipster, please let me know.

thanks in advance.

i found answer finally.

using mapstruct can in achieving feat.

@mapper public interface employeemapper {  set<string> integersettostringset(set<integer> integers);  list<employeedto> employeesstoemployeedtos(list<employee> employees);  employeedto employeetoemployeedto(employees employees); 

}

please have @ link. https://iamhug.gitbooks.io/mapstruct/content/6mapping_collections.html