java中怎么随机生成3位整数.

Question

public int nextInt(1000)能生成0-999的随机整数,我想随机生成100-999的整数怎么办

Answer 1

public int getRandom() {
int number = 0;
while (true) {
number = (int) (Math.random() * 1000);
if (number >= 100 && number < 1000) {
break;
}
}
return number;
}本回答被提问者采纳

Answer 2

int number=(int)(Math.random()*1000）;

Answer 3

random.randint(100,999),

Answer 4

public int nextInt(900)+100;