Given two numbers Min and Max, the task is to generate a random integer within this specific range in Java.
Examples:
Input: Min = 1, Max = 100 Output: 89 Input: Min = 100, Max = 899 Output: 514
Approach:
- Get the Min and Max which are the specified range.
- Call the nextInt() method of ThreadLocalRandom class (java.util.concurrent.ThreadLocalRandom) and specify the Min and Max value as the parameter as
ThreadLocalRandom.current().nextInt(min, max + 1);
- Return the received random value
// Java program to generate a random integer // within this specific range import java.util.concurrent.ThreadLocalRandom;
class GFG {
public static int getRandomValue( int Min, int Max)
{
// Get and return the random integer
// within Min and Max
return ThreadLocalRandom
.current()
.nextInt(Min, Max + 1 );
}
// Driver code
public static void main(String[] args)
{
int Min = 1 , Max = 100 ;
System.out.println( "Random value between "
+ Min + " and " + Max + ": "
+ getRandomValue(Min, Max));
}
} |
Output:
Random value between 1 and 100: 35
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