public String RandomString(int Strlength) {
String str = "";
for (int i = 0; i < Strlength; i++) {
int a = (int) (Math.random() * 3);
if (a == 2) {
str += String.valueOf( (char) (65 + Math.random() * 26));
}
if (a == 1) {
str += String.valueOf( (char) (97 + Math.random() * 26));
}
if (a == 1) {
str += String.valueOf( (char) (48 + Math.random() * 10));
}
}
return str;
}
String str = "";
for (int i = 0; i < Strlength; i++) {
int a = (int) (Math.random() * 3);
if (a == 2) {
str += String.valueOf( (char) (65 + Math.random() * 26));
}
if (a == 1) {
str += String.valueOf( (char) (97 + Math.random() * 26));
}
if (a == 1) {
str += String.valueOf( (char) (48 + Math.random() * 10));
}
}
return str;
}
public String createString(int len)
{
String base = "abcdefghijklmnopqrstuvwxyz0123456789";
String str = "" ;
for (int i = 0; i < len; i++)
{
int index = (int)(math.random() * 1000 % (base.length() - 1)) ;
str += base.charAt(index) ;
}
return str ;
}