Java strings

Question

How two gets printed?
https://code.sololearn.com/ckkSTVw6VRHU/?ref=app

Answer 1

You can use delimeter -here „a“- to format the string as follows
String c=String.join(a,b,"");

Answer 2

the correct syntax for join is:
String c=String.join(" ",a,b); // separation char is first argument
that will return the output: "one two"

Answer 3

alagammai uma The right answer is like Lothar says.
First goes the delimiter and then strings to merge.
Look at api docs 👇
https://docs.oracle.com/en/java/javase/14/docs/api/java.base/java/lang/String.html#join(java.lang.CharSequence,java.lang.CharSequence...)
📚 If you want know how is implemented, you should take a look at StringBuilder or StringBuffer classes.

Answer 4

Is your expected output is one two?

Answer 5

I think so because there is no delimeter Because join takes a delimeter and it doesn't get it in your code. So printing the last string b

Answer 6

alagammai uma pls tell incase of anymore help

Answer 7

Atul nope
Wanna know the reason why it's two

Answer 8

Sure

Answer 9

Atul ok thanks

Answer 10

public class Program
{
public static void main(String[] args)
{
String a="three";
String b="onetwo";
String c=String.join(a,b);
System.out.println(c);
}
}
//I think so I am correct 😅

Answer 11

David Ordás ok thank-you

Answer 12

Please i don't know how start code help me