Public class Example1
{
String fullname(String firstName, String secondName)
{
return firstName,secondName;
//return fullname(firstName,secondName); doesn't work either :(
}
public static void main(String[] args)
{
Example1 myname=new Example();
System.out.println(myname.fullname("John", "Wick");
}
}
I got an error though, when I run my program. Can you help me out please guys? thanks a lot
A method could return only one value at a time. Either concatenate the both the strings and return or you could use a class. set the details and return the instance of that class
Approach 1:
return firstname+"|"+secondname;
If you want those separate in calling method just use return_value.split("|"). Now you get a array of strings with 2 elements, firstname and secondname
Approach 2:
Create a class like
public class Person{
private String firstName;
private String secondName;
public Person(String fname, String sname){
firstname = fname;
secondname = sname;
}
// getter setters
}
in the method do
Person p = new Person(firstname, secondname);
return p;
You cannot return 2 strings at a time. You can use String array though like this:
public String[] fullname(String firstName, String secondName){
String[] names = new String[2];
names[0] = firstName;
names[1] = secondName;
return names;
}
Another logical way to solve this issue is to concatenate both of them and split them.
You can use also use list
List<String> nameList = new ArrayList<String>();
nameList.add(firstName);
and get the elements like nameList.get(0) and so on
You can use
Map<String,String> nameMap = new HashMap<String,String>();
nameMap.put("firstName",firstName);
nameMap.put("secondName",secondName);
There are a number of ways to use data structures to solve this issue.
A method has a single return type, so unless you package the two Strings in some class and return that class (or put the two Strings in a String array or some other container of Strings), you can only return one String.
If your only requirement is to display the full name as a single String, you can simply concatenate the two Strings :
String fullname (String firstName, String secondName)
{
return firstName + " " + secondName;
}
Well you have three options
concatenate the strings and return as a single string. Split the string at the receiving end.
Return String array
Return an object . ie set the two srings to two member variables and return the object.
System.out.println(myname.fullname("John", "Wick"));?"John Wick"then you should probably change your question from "how to return two strings" into something more like "how to return one string containing two strings". Otherwise people will suggest to return instead of string one object which will store both string inside (like array, list, set, or instance of any other class which would have at least two String fields).