public static void getNumber(double times) {
double i=1;
int onetimes=0;
int twotimes=0;
int threetimes=0;
int fourtimes=0;
int fivetimes=0;
int sixtimes=0;
while(i<=times) {
int target=(int)Math.random()*10/1;
if(target>=1&&target<=6) {
switch(target) {
case(1):onetimes++;break;
case(2):twotimes++;break;
case(3):threetimes++;break;
case(4):fourtimes++;break;
case(5):fivetimes++;break;
case(6):sixtimes++;break;
default:;
}
i++;
}
}
double oneodds=onetimes/i;
double twoodds=twotimes/i;
double threeodds=threetimes/i;
double fourodds=fourtimes/i;
double fiveodds=fivetimes/i;
double sixodds=sixtimes/i;
System.out.println("出现1的概率"+oneodds);
System.out.println("出现2的概率"+twoodds);
System.out.println("出现3的概率"+threeodds);
System.out.println("出现4的概率"+fourodds);
System.out.println("出现5的概率"+fiveodds);
System.out.println("出现6的概率"+sixodds);
}
public static void main(String[] args) {
getNumber(100);
}
}
这样就可以了
public class A {
public static void main(String[] args) {
getNumber(100);
}
public static void getNumber(double times) {
double i = 1;
int onetimes = 0;
int twotimes = 0;
int threetimes = 0;
int fourtimes = 0;
int fivetimes = 0;
int sixtimes = 0;
while (i <= times) {
int target = (int) (Math.random() * 10 / 1);
if (target >= 1 && target <= 6) {
switch (target) {
case (1):
onetimes++;
break;
case (2):
twotimes++;
break;
case (3):
threetimes++;
break;
case (4):
fourtimes++;
break;
case (5):
fivetimes++;
break;
case (6):
sixtimes++;
break;
default:
break;
}
i ++;
}
}
double oneodds = onetimes / i;
double twoodds = twotimes / i;
double threeodds = threetimes / i;
double fourodds = fourtimes / i;
double fiveodds = fivetimes / i;
double sixodds = sixtimes / i;
System.out.println("出现1的概率" + oneodds);
System.out.println("出现2的概率" + twoodds);
System.out.println("出现3的概率" + threeodds);
System.out.println("出现4的概率" + fourodds);
System.out.println("出现5的概率" + fiveodds);
System.out.println("出现6的概率" + sixodds);
}
}