sandeepnegi1996 / random-password-generator

random-password-generator

project link

CONTENTS OF THIS FILE

• Introduction
• Features
• Todo
• How to Run

INTRODUCTION

• This project is inspired by the same backend developer project portfolio [[backend developer projects]]
• This project will generate random password only with alphabets, user needs to enter a number and it will create password

FEATURES

• hassle free way of creating a random password, use this service to create password

TODO

1. Create basic hello world program
2. Give option to the user to enter the number of characters in the password
3. Generate random word for the given length
4. More features and issues are added in the issues section, follow that and provide yout inputs

How to Run

1. javac RandomPasswordGenerator.java
2. java RandomPasswordGenerator

Learnings

Random Number

Random r = new Random();
int x    = r.nextInt(25);

//above code will generate random number from 0 to 25 

ASCII Values

1. ASCII Value : a --> 97
2. ASCII Value : A --> 65

convert character to string :

// Method #1
String stringValueOf = String.valueOf('c'); // most efficient

// Method #2
String stringValueOfCharArray = String.valueOf(new char[]{x});

// Method #3
String characterToString = Character.toString('c');

// Method #4
String characterObjectToString = new Character('c').toString();

// Method #5
// Although this approach seems very simple, 
// this is less efficient because the concatenation
// expands to a StringBuilder.
String concatBlankString = 'c' + "";

// Method #6
String fromCharArray = new String(new char[]{x});