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Java 2022-01-29 21:30:47
java random seed
import java.util.Random; public class Example { public static void main(String[] args) { Random rd = new Random(); // creating Random object System.out.println(rd.nextFloat()); // displaying a random ... Add solution -
Java 2021-11-15 14:11:43
Attempt to invoke virtual method 'int java.util.Random.nextInt(int)' on a null object reference
the problem: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.util.Random.nextInt(int)' on a null object reference //you might do not code that: Random rand = new Random(); Add solution -
Java 2021-11-11 02:26:18
how to create an array with unique values
import java.util.Random; public class GenRandArray { //Recommend reseeding within methods static Random rand = new Random(); public static void fillInt( int[] fillArray ) { //seeds the random for a new random each method call ... Add solution