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import java.util.Random();
Random <name> = new Random();
<variable> = <name>.nextInt(<excuslive top limit>);
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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;
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// Smart Fast
int N = 10 ;
int rand = (int) (Math.random() * N)
System.out.println(rand) ;
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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;
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import java.util.Random;
//If there is a need to reproduce the same sequence of random numbers,
//we have to specify a seed to the constructor, like 100000
Random random = new Random(100000); //using a seed
System.out.println(random.nextInt(5)); // print one random 0, 1, 2, 3, 4
System.out.println(random.nextInt(5));