//生成1-100内的整数
Random r1 = new Random();
int num1 = r1.nextInt(0, 100);
import java.util.*;
public class TestRandom
{
public static void main(String[] args)
{
Random rand = new Random();
System.out.println("rand.nextBoolean():" + rand.nextBoolean());
byte[] buffer = new byte[16];
rand.nextBytes(buffer);
System.out.println(Arrays.toString(buffer));
//生成0.0~1.0之间的伪随机double数
System.out.println("rand.nextDouble():" + rand.nextDouble());
//生成0.0~1.0之间的伪随机float数
System.out.println("rand.nextFloat():" + rand.nextFloat());
//生成平均值是 0.0,标准差是 1.0的伪高斯数
System.out.println("rand.nextGaussian():" + rand.nextGaussian());
//生成一个处于long整数取值范围的伪随机整数
System.out.println("rand.nextInt():" + rand.nextInt());
//生成0~26之间的伪随机整数
System.out.println("rand.nextInt(26):" + rand.nextInt(26));
//生成一个处于long整数取值范围的伪随机整数
System.out.println("rand.nextLong():" + rand.nextLong());
}
}
import java.util.*;
public class TestRandom
{
public static void main(String[] args)
{
Random rand = new Random();
System.out.println("rand.nextBoolean():" + rand.nextBoolean());
byte[] buffer = new byte[16];
rand.nextBytes(buffer);
System.out.println(Arrays.toString(buffer));
//生成0.0~1.0之间的伪随机double数
System.out.println("rand.nextDouble():" + rand.nextDouble());
//生成0.0~1.0之间的伪随机float数
System.out.println("rand.nextFloat():" + rand.nextFloat());
//生成平均值是 0.0,标准差是 1.0的伪高斯数
System.out.println("rand.nextGaussian():" + rand.nextGaussian());
//生成一个处于long整数取值范围的伪随机整数
System.out.println("rand.nextInt():" + rand.nextInt());
//生成0~26之间的伪随机整数
System.out.println("rand.nextInt(26):" + rand.nextInt(26));
//生成一个处于long整数取值范围的伪随机整数
System.out.println("rand.nextLong():" + rand.nextLong());
}
}