Java 随机产生值

/**

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**/

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import java.util.Random;

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public class Main {

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  public static void main(String[] args) {

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    // Create a new instance of the Random class

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    Random random = new Random();

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    System.out.println("Random: " + random);

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    // Generates a random Integer

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    int myInt = random.nextInt();

    /**

    来 自 时代Java公众号 - N o w J a  v a . c o m

    **/

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    System.out.println("Random int: " + myInt);

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    // Generates a random Double value

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    double myDouble = random.nextDouble();

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    System.out.println("Random double: " + myDouble);

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    // Generates a random float

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    float myFloat = random.nextFloat();

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    System.out.println("Random float: " + myFloat);

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    // Generates a random Gaussian double

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    // mean 0.0 and standard deviation 1.0

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    double gausDouble = random.nextGaussian();

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    System.out.println("Random Gaussian double: " + gausDouble);

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    // Generates a random Long

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    long myLong = random.nextLong();

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    System.out.println("Random long: " + myLong);

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    // Generates a random boolean

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