Answer / gopichandar

'e'and 'o'

Answer / jethvamohit

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string str = "mohim";
string str1 = "mo";
remove(str, str1);
}
private static void remove(string str,string str1)
{
char[] abc;
abc = str.ToCharArray();
char[] bcd;
string str4 = "";
bcd = str1.ToCharArray();
for (int i = 0; i < bcd.Length; i++)
{
for (int j = 0; j < abc.Length; j++)
{
if (abc[j] != bcd[i])
{

str4 = str4 + abc[j];
}
}
abc = str4.ToCharArray();
str4 = "";
}
Console.Write(abc);
Console.ReadLine();

}
}
}

Answer / preeti

Lttle correction in above answer.

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string str = "mohim";
string str1 = "mo";
remove(str, str1);
}
private static void remove(string str,string str1)
{
char[] abc;
abc = str.ToCharArray();
char[] bcd;
string str4 = "";
bcd = str1.ToCharArray();
for (int i = 0; i < bcd.Length; i++)
{
for (int j = 0; j < abc.Length; j++)
{
if (abc[j] != bcd[i])
{

str4 = str4 + abc[j];
}
}
abc = str4.ToCharArray();
str4 = "";
}

str = "";
for (int j = 0; j < abc.Length; j++)
{

str = str + abc[j];

}

Console.Write("str : ");
Console.Write(str)
}
}
}

output will be
------------------------

str : hi

Answer / amadou

. static void Main(string[] args)
{
string x = "hello";
string y = "open";
string temp = "";
for (int i = 0; i < x.Length; i++)
{

if (!y.ToString().Contains(x[i]))
{
temp += x[i];

}
Console.WriteLine("temp={0}",
temp);
}
Console.Read();

Answer / sourabh bose

int countX=0;
int countY=0;
string tmp=x;
for(countX=1;countX<=x.lenth();countX++)
{
for(countY=1;countY<=y.length();countY++)
{
if x.substring(1,countX).Equels(y.substring(1,countY)
{
tmp=tmp.Replace(tmp.substring(1,countX),"");
}
}
}
x=tmp;

Answer / guest

public static void main(String[] args) {
String str_x = "hello";
String str_y = "open";

StringBuffer result = new StringBuffer();

for (int i=0; i<str_x.length();i++){
if (str_y.indexOf(str_x.charAt(i)) < 0)
result.append(str_x.charAt(i));
}

System.out.print(result);
}

Answer / skybeaver

static public string StupidQuestion(string x, string y)
{
StringBuilder sb = new StringBuilder();
Hashtable ht = new Hashtable();

// just one pass through y
foreach( char c in y.ToCharArray() )
if( !ht.Contains(c) )
ht.Add(c, c)

// just one pass thru x
foreach( char c in x.ToCharArray() )
if( !ht.Contains(c) )
sb.Append(c);

return sb.ToString();
}

Answer / vijay bhatia

string processString(string x, string y) {
string res = "";
int occuranceCount[26];
for(int i=0; i<26; i++) {
occuranceCount[i] = 0;
}
for(i=0; i<y.size(); i++) {
occuranceCount[y[i]-'a']++;
}
for(i=0; i<x.size(); i++) {
if (occuranceCount[x[i]-'a'] == 0) {
res += x[i];
}
}
return res;
}

Answer / newpolaris

bool IsInStr(char ch, const std::string& B)
{
return std::string::npos != B.find(ch);
}

// act fuction
std::string remove_same_char(const std::string& A, const
std::string& B)
{
typedef std::string::const_iterator cstr_const_it;
cstr_const_it iCSTR = A.begin();

// FOR OPTIMIZATION NRVO IS NEEDED
// ? IS POSSIBLE?
std::string _rt;

while ( iCSTR != A.end() )
{
if (!IsInStr(*iCSTR,B)) _rt+=*iCSTR;

iCSTR++;
}

return _rt;
}

int main()
{
std::string x = "hello";
const std::string y = "open";
x = remove_same_char(x, y);
}

Answer / m@c

string x = "?hello?", y = "?open?";
char strm = '?';
for (int ictr = 0; ictr < y.Length; ictr++)
{
if (!strm.Equals(y[ictr]))
{
x=x.Replace(Convert.ToString(y[ictr]),"");
}

}
Response.Write(x);

Results will be <b>?hhl?</b>

polymorphism means?

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diff between Virtual mathod and abstract method?

1 Answers  

suppose A is a base class and B is the derved class. Both have a method foo which is defined as a virtual method in the base class. You have a pointer of classs B and you typecast it to A. Now when you call pointer->foo, which method gets called? The next part of the question is, how does the compiler know which method to call?

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