How to use Math.random() in java to generate random numbers

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Release： 2023-05-11 15:40:12

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Use Math.random() to generate random numbers

Post a few small methods directly

/**
* 获取0.0-1.0之间的随机小数
*/
private double test1() {
    double num = Math.random();
    return num;
}
/**
* 获取两个数之间的随机小数
*/
private double test2(int min, int max) {
    return min + Math.random() * (max - min);
}
/**
* 获取两个数之间的随机整数
*/
private int test3(int min, int max) {
    return (int) (min + Math.random() * (max - min));
}

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