java random between two numbers code example

Example 1: java random numbers in specific range

import java.util.Random;

Random rand = new Random();
int random_integer = rand.nextInt(upperbound-lowerbound) + lowerbound;

Example 2: random number in range java

(int)(Math.random() * ((max - min) + 1)) + min
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Example 3: random between two numbers java

Random r = new Random();
int low = 10;
int high = 100;
int result = r.nextInt(high-low) + low;

Example 4: java random between two strings

import java.util.Random;
public class RandomSelect {

    public static void main (String [] args) {

         String [] arr = {"A", "B", "C", "D"};
         Random random = new Random();

         // randomly selects an index from the arr
         int select = random.nextInt(arr.length); 

         // prints out the value at the randomly selected index
         System.out.println("Random String selected: " + arr[select]); 
    }
}

Example 5: random in java a to b

Min + (int)(Math.random() * ((Max - Min) + 1))

Example 6: java random between two strings

String[] s = {"your", "array", "of", "strings"};

Random ran = new Random();
String s_ran = s[ran.nextInt(s.length)];