Created
May 12, 2018 13:17
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package lianxi; | |
import java.util.*; | |
/** | |
* @author Pandy | |
* @date 2018/5/12 21:01 | |
*/ | |
public class RandomTest { | |
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()); | |
//生成一个在int整数取值范围内的伪随机整数 | |
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()); | |
} | |
} |
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