An instance of this class is used to generate a stream of pseudorandom numbers; its period is only 248.C# 复制 [Android.Runtime.Register("java/util/Random", DoNotGenerateAcw=true)] public class Random : Java.Lang.Object, IDisposable, Java.Interop.IJavaPeerable, Java.IO.ISerializable, ...
pku.wuyu.io; import java.util.Random; public class Demo01 { public static void main(String[] args) { //创建对象 Random r = new Random(); for(int x=1; x<=10; x++) { //获取随机数 int number = r.nextInt(10); System.out.println("number:"+number); } System.out.println("--...
Java SE 17 & JDK 17 Overview Module Package Class Use Tree Preview New Deprecated Index Help Summary: Nested | Field | Constr | Method Detail: Field | Constr | Method SEARCH: Module java.base Package java.util Class Randomjava.lang.Object java.util.RandomAll...
//1. 导包 import java.util.Random; public class Demo01_Random { public static void main(String[] args) { //2. 创建随机数生成器对象 Random r = new Random(); for(int i = 0; i < 3; i++){ //3. 随机生成一个数据 int number = r.nextInt(10); //4. 输出数据 System.out.prin...
import java.util.Random; public class test { public void random(){ int i=0; int j=0; Random random=new Random(1); Random random1=new Random(1); i=random.nextInt(); j=random1.nextInt(); System.out.println(i+"---"+j); } ...
importjava.util.Scanner;publicclassMain{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入位数n:");intn=scanner.nextInt();scanner.close();}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 这段代码使用了Scanner类来获取用户输入的位数n,并将其存储在一...
Java基础知识强化82:Random类概述和方法使用 1. Random类 1publicclassRandomextendsObjectimplementsSerializable; 此类的实例用于生成伪随机数流。此类使用48位种子。 (1)Random类概述 • 此类用于产生随机数 • 如果用相同的种子创建两个Random实例,则对每个实例进行相同的方法调用序列,它们将生成并返回相同的数字...
Skip navigation links Java SE 17 & JDK 17 Overview Module Package Class Use Tree Preview New Deprecated Index Help Package: Description | Related Packages | Classes and Interfaces SEARCH: Module java.base Package java.util.random package java.util.random This package contains classes and interfaces...
importjava.util.Random; publicclassRandomDemo { publicstaticvoidmain(String[] args) { // 创建Random类的实例 Random r =newRandom(); // 得到0-100范围内的随机整数,将产生的随机整数赋值给i变量 inti = r.nextInt(100); //得到0.0-1.0范围内的随机小数,将产生的随机小数赋值给d变量 ...
Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang.Annotation Java.Lang.Invoke Java.Lang.Ref Java.Lang.Reflect Java.Lang.Runtimes Java.Math Java.Net Java.Nio Java.Nio.Channels Java.Nio.Channels.Spi ...