Answers for "randomness in java"

90

java random number

import java.util.Random;

Random rand = new Random();

// Obtain a number between [0 - 49].
int n = rand.nextInt(50);

// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;
Posted by: Guest on March-09-2020
0

random suffling java

for (int i = myList.length - 1; i > 0; i--){
            int j = (int) (Math.random() * (i + 1));

            double temp = myList[i];
            myList[i] = myList[j];
            myList[j] = temp;
        }
Posted by: Guest on October-28-2020

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