import java.io.*; import java.security.SecureRandom; public class
RandomString {
public static void main( String args[] )
{
StringBuilder str = new StringBuilder();
String symbols = "aAbBcCdDeEfFgGhHkK";
SecureRandom r = new SecureRandom();
int loc = -1;
char c = 0;
for ( int k=0; k<8; k++)
{
loc = r.nextInt( symbols.length() ) ;
c= symbols.charAt( loc ) ;
str.append( c );
}
System.out.print( str );
}
}