11)
input="hello"
output="hlo"; Alternative
positions...
package Set3;
public class
ClassSeT11 {
public static
void main(String[] args) {
String s="Hello";
System.out.println(alternatingChar(s));
}
public static
String alternatingChar(String s){
StringBuffer sb=new StringBuffer();
for(int i=0;i<s.length();i++)
if(i%2==0)
sb.append(s.charAt(i));
return sb.toString();
}
}