Answer Posted / adarsh

Scanner sc=new Scanner(system.in);
Int i,j=0;
String S1=sc.next(),s2;
S2=s1charAt(0);
For(i=1;i<s1.length;i++)
{
If(s2.charAt(j).equals (s1.charAt(i))
Continue;
Else{
S2=s2.concat(s1.charAt(i));
j++;
}
}
Sop(j);
}


I m writing with my mobile phone so chuck the mistakes like upercase nd lowr case...

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