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怎么样才能用jAvA写出生成4%6的随机整数

Random rand = new Random();for(int i=1;i

用概率模型,先随机一次看取用哪个概率,随后再随机一次。代码示例如下: import java.util.Random;public class HelloWorld { public static void main(String[] args) { Random random = new Random(); double p1=0.7; //1~4的概率 double p=(...

Java语言可以通过Random类的对象来实现1-6随机数的生成方法,代码如下: import java.util.Random;public class Radom{ public static void main(String[] strs){ Random rand = new Random(); System.out.println(rand.nextInt(5)+1); }}

Option Base 1 Private Sub Form_Click() Dim a(36) As Integer, b(6, 6) As Integer, i As Integer, j As Integer, num As Integer Print "原矩阵:" Randomize For i = 1 To 36 a(i) = Int((99 - 10 + 1) * Rnd + 10) Print a(i); num = num +...

public class Test1 { public static void main(String[] args) { int sum=0; for(int i=2;i

package keshe4; import java.util.Scanner; public class CountSum { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int num = sc.nextInt(); String numStr = num + ""...

你只要结果的话,如下: String str ="123456";String st ="1,2,3,4,5,6";System.out.println(str.replace(str, st));

import java.util.Scanner;public class Test456 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);System.out.println("输入一个小数:");double x = sc.nextDouble();int y = f456(x);System.out.println(y);}p...

纯数字的四位随机数 rand(1000,9999) 数字和字符混搭的四位随机字符串: function GetRandStr($len) { $chars = array( "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", ...

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