Java random string

Generate random string in java

import java.util.Random;

public class Generator {
	public static String generateRandomPassword(int len) {
		String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijk"
          +"lmnopqrstuvwxyz!@#$%&";
		Random rnd = new Random();
		StringBuilder sb = new StringBuilder(len);
		for (int i = 0; i < len; i++)
			sb.append(chars.charAt(rnd.nextInt(chars.length())));
		return sb.toString();
	}
}

Java random string

public static String getRandomString(int size) {
  	// The string that we will return
	String rand = "";
  	// The chars that are used to generate the random string
	String chars = "1234567890-=!@#$%^&*()_+qwertyuiop[]\\QWERTYUIOP{}|asdfghjkl;'ASDFGHJKL:\"zxcvbnm,./ZXCVBNM<>?";
  	// Loop based on the requested size
  	for (int i = 0; i < size; i++) {
      	// Add a random char from the chars string to the rand string
		rand += chars.toCharArray()[new Random().nextInt(chars.length())];
	}
  	// Return the random string
	return rand;
}

Similar codes

2 votes135 views1 answer
Testing if editText is empty java
Java
0 vote161 views1 answer
Java startActivity crash
Java
0 vote204 views2 answers
Java convert am pm to 24 hour
Java
0 vote142 views1 answer
How to strip spaces in java using split with other delimiters
Java
7 votes177 views2 answers
Read double java
Java
1 vote205 views6 answers
This version of the Android Support plugin for IntelliJ IDEA (or Android Studio) cannot open this project, please retry with version 4.1 or newer.
Java
0 vote169 views1 answer
Java spring boot json deserialize date inaccurate
Java Spring
0 vote147 views1 answer
Find number of occurrences of a substring in a string java
Java
4 votes152 views2 answers
How run a code to the cmd from a java code
Java
2 votes143 views1 answer
Javafx stackpane set position
Java