import java.util.*;public class Rand { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Random rd = new Random(); int i1=0,i2=0,i3=0,i4=0,i5=0,i6=0;
for(int i =0; i<6000; i++){ int r = rd.nextInt(6)+1; switch(r){ case 1: i1++; break; case 2: i2++; break; case 3: i3++; break; case 4: i4++; break; case 5: i5++; break; case 6: i6++; break; } } System.out.println( i1+" "+i2+" "+ i3+" "+i4+" "+i5+" "+i6); }}
int count[] = {0,0,0,0,0,0}; for (int i = 0; i < 6000; i++) { int result = (int) (Math.random()*6); count[result] ++; }// print the result for (int i = 0; i < count.length; i++) { System.out.println(i + " 出现 " + count[i] + " 次!"); }
package com.test;import java.util.Random;public class AA { public static void main(String[] args) { // temp变量不可缺,否则,数据不准确 for(int i =0,temp =0, t = 0, b[] = {0,0,0,0,0,0}; i<6000; i++){ temp=((t=(int)Math.random()*6)<3)?(t<1?(b[0]++):(t<2?(b[1]++):(b[2]++))):(t<4?(b[3]++):(t<5?(b[4]++):(b[5]++))); System.out.println("1的次数"+b[0]+" 2的次数"+b[1]+" 3的次数"+b[2]+" 4的次数"+b[3]+" 5的次数"+b[4]+" 6的次数"+b[5]); } } }
int count[] = {0,0,0,0,0,0}; for (int i = 0; i < 6000; i++) { int result = (int) (Math.random()*6); count[result] ++; }// print the result for (int i = 0; i < count.length; i++) { System.out.println(i + " 出现 " + count[i] + " 次!"); }================= 正解
import java.util.*;public class Rand { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Random rd = new Random();
int i1=0,i2=0,i3=0,i4=0,i5=0,i6=0;
for(int i =0; i<6000; i++){
int r = rd.nextInt(6)+1;
switch(r){
case 1:
i1++; break;
case 2:
i2++; break;
case 3:
i3++; break;
case 4:
i4++; break;
case 5:
i5++; break;
case 6:
i6++; break;
}
}
System.out.println( i1+" "+i2+" "+
i3+" "+i4+" "+i5+" "+i6);
}}
for (int i = 0; i < 6000; i++) {
int result = (int) (Math.random()*6);
count[result] ++;
}// print the result
for (int i = 0; i < count.length; i++) {
System.out.println(i + " 出现 " + count[i] + " 次!");
}
// temp变量不可缺,否则,数据不准确
for(int i =0,temp =0, t = 0, b[] = {0,0,0,0,0,0}; i<6000; i++){
temp=((t=(int)Math.random()*6)<3)?(t<1?(b[0]++):(t<2?(b[1]++):(b[2]++))):(t<4?(b[3]++):(t<5?(b[4]++):(b[5]++)));
System.out.println("1的次数"+b[0]+" 2的次数"+b[1]+" 3的次数"+b[2]+" 4的次数"+b[3]+" 5的次数"+b[4]+" 6的次数"+b[5]);
}
}
}
for(int i=0;i<6000;i++){
int temp=(int)(Math.random()*6);
if(temp==0){a[0]++;}
else if(temp==1){a[1]++;}
else if(temp==2){a[2]++;}
else if(temp==3){a[3]++;}
else if(temp==4){a[4]++;}
else{a[5]++;}
}
System.out.print(a[0]+" "+a[1]+" "+a[2]+" "+a[3]+" "+a[4]+" "+a[5]);
结果我测试过,没有问题
算法好不好就不知道了
for (int i = 0; i < 6000; i++) {
int result = (int) (Math.random()*6);
count[result] ++;
}// print the result
for (int i = 0; i < count.length; i++) {
System.out.println(i + " 出现 " + count[i] + " 次!");
}=================
正解