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PORandom password generation
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  1. PORandom password generation
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    copied!<p>I have written a code for random password generation.There are a string from where i have to make the password.so i try to categorize the string according to uppercase array , lower case array and digit array. but here comes a problem when.. </p> <pre><code> for(int k=0;k&lt;Length;k++){ if(asc[k]&gt;=65 &amp;&amp; asc[k]&lt;=90){ UpperCase[k]=(char)asc[k]; } else if(asc[k]&gt;=48 &amp;&amp; asc[k]&lt;=57){ Digit[k]=(char)asc[k]; } else { Mixed[k]=(char)asc[k]; } } </code></pre> <p>is executed it counts some space which i don't want.coding looks like ugly sry for my poor coding.i know there is a lot more way to solve it but i want to go through this.here is my code. here is my code </p> <pre><code>import java.util.Random; public class Randompassgeneration { final int MAX_LENGTH = 20; final int MIN_LENGTH = 3; char[] password=new char[25]; int [] asc=new int[18]; char[] UpperCase=new char[25]; char[] Digit=new char[25]; char[] Mixed=new char[25]; public void generate(String allowedCharacters) { int Length=allowedCharacters.length(); for (int i=0;i&lt;Length;i++) { asc[i]=(int)allowedCharacters.charAt(i); } for (int k=0;k&lt;Length;k++) { if (asc[k]&gt;=65 &amp;&amp; asc[k]&lt;=90) { UpperCase[k]=(char)asc[k]; } else if (asc[k]&gt;=48 &amp;&amp; asc[k]&lt;=57) { Digit[k]=(char)asc[k]; } else { Mixed[k]=(char)asc[k]; } } String rp=null; StringBuilder Strbld=new StringBuilder(); Random rnd=new Random(); int ranStrLen=rnd.nextInt(MAX_LENGTH - MIN_LENGTH + 1) + MIN_LENGTH; Strbld.append(UpperCase[rnd.nextInt(UpperCase.length)]); Strbld.append(Digit[rnd.nextInt(Digit.length)]); for (int m=0; m&lt;ranStrLen-2; m++) { Strbld.append(Mixed[rnd.nextInt(Mixed.length)]); } System.out.print(ranStrLen +"-&gt;"+ Strbld.toString()); } public static void main(String[] args) { String allowedCharacters = "weakPasSWorD1234$*"; Randompassgeneration t=new Randompassgeneration(); t.generate(allowedCharacters); } } </code></pre> <p>Any kind of suggestion?</p>
 

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