how to store string into a scanner object

Question

1.00/5 (1 vote)

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I have coded

C#

Scanner sc=new Scanner(System.in);
String s="";
while(sc.hasNext())
{
s=sc.next()+s;
sc=sc.nextLine();
}

But the line no 6 gives error because sc can't have string type
Please help me out to do it?

Posted 11-Apr-14 0:22am

Updated 11-Apr-14 0:42am

v2

Comments

Richard MacCutchan 11-Apr-14 8:51am

What exactly are you trying to do?

V$ethi 11-Apr-14 17:09pm

i can explain by an example :
Input : vandana is good girl
Output: girl good is vandana.
and i'll print s after the loop to get the output

1 solution

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Peter Leow · Answer 1 · 2014-04-11T02:41:00

Because sc.nextLine() returns a String but sc is a Scanner object. try this:

C#

Scanner sc=new Scanner(System.in);
String s="";
while(sc.hasNextLine())
{
    s=sc.nextLine() + s;
}
System.out.println(s);

Posted 11-Apr-14 2:41am

Updated 11-Apr-14 2:42am

v2

Comments

V$ethi 11-Apr-14 17:06pm

But don't you think so that it'll be an infinite loop.Beause the value of sc will never change while looping

Peter Leow 11-Apr-14 20:37pm

Definitely, you have to set your own exit condition.