public final class MyString
{
private final char[] value;
private int length;
public MyString()
{
length=0;
value=new char[length];
}
public MyString(char c[])
{
length=c.length;
value=new char[length];
System.arraycopy(c, 0, value, 0, length);
}
public String toString()
{
return new String(value);
}
public MyString concat(MyString s)
{
char temp[]=new char[length+s.length()];
System.arraycopy(value, 0, temp, 0, length);
System.arraycopy(s.value, 0, temp, length, s.length());
MyString str=new MyString(temp);
return str;
}
public int length()
{
return length;
}
}