get random number between two numbers java 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 in java a to b

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