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Random nextDouble() method in Java with Examples

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  • Last Updated : 07 Jan, 2019
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The nextDouble() method of Random class returns the next pseudorandom, uniformly distributed double value between 0.0 and 1.0 from this random number generator’s sequence.

Syntax:

public double nextDouble()  

Parameters: The function does not accepts any parameter.

Return Value: This method returns the next pseudorandom, uniformly distributed double value between 0.0 and 1.0 from this random number generator’s sequence.

Exception: The function does not throws any exception.

Program below demonstrates the above mentioned function:

Program 1:




// program to demonstrate the
// function java.util.Random.nextDouble()
  
import java.util.*;
public class GFG {
    public static void main(String[] args)
    {
  
        // create random object
        Random r = new Random();
  
        // check next double value  and print it
        System.out.println("Next double value is = "
                           + r.nextDouble());
    }
}

Output:

Next double value is = 0.10210556893379474

Program 2:




// program to demonstrate the
// function java.util.Random.nextDouble()
  
import java.util.*;
public class GFG {
    public static void main(String[] args)
    {
  
        // create random object
        Random r = new Random();
  
        // check next double value  and print it
        System.out.println("Next double value is = "
                           + r.nextDouble());
    }
}

Output:

Next double value is = 0.26964189606000966

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