my notes

User Tools

Site Tools

Trace:
java:java

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
java:java [2022/10/29 16:15] – external edit 127.0.0.1java:java [2024/05/31 05:22] (current) – [Random in Java] admin
Line 401: Line 401:
 // so add 1 to make it inclusive // so add 1 to make it inclusive
 ThreadLocalRandom.current().nextInt(min, max + 1); ThreadLocalRandom.current().nextInt(min, max + 1);
 +</code>
 +==== Md5 ====
 +<code java>
 +import java.util.HashMap;
 +import java.security.MessageDigest;
 +public static String md5(String original) {
 +    try{
 +        MessageDigest md = MessageDigest.getInstance("MD5");
 +        md.update(original.getBytes());
 +        byte[] digest = md.digest();
 +        StringBuffer sb = new StringBuffer();
 +        for (byte b : digest) {
 +            sb.append(String.format("%02x", b & 0xff));
 +        }
 +        return sb.toString();
 +    }catch(Exception e){
 +        return "";
 +    }
 +}
 </code> </code>
 ==== Java Reflection ==== ==== Java Reflection ====
java/java.1667060147.txt.gz · Last modified: 2022/10/29 16:15 by 127.0.0.1