1.随机产生200个三位的正整数,按每行10个数输出
2.统计其中偶数和奇数的个数
3.计算并输出偶数,奇数出现的概率
如有帮助,请采纳。
public class A
{
public static void main(String[] args)
{
int count=1;
int oushu=0;
int jishu=0;
for(int i=1;i<=200;i++)
{
int temp=(int)(Math.random()*500)+100;
System.out.print(temp+" ");
if(count%10==0)
{
System.out.println();
}
count++;
if(temp%2==0)
{
oushu++;
}
else
{
jishu++;
}
}
System.out.println("偶数:"+oushu+"个.");
System.out.println("奇数:"+jishu+"个.");
System.out.println("偶数出现的概率是:"+(200/oushu*50)+"%");
System.out.println("奇数出现的概率是:"+(200/jishu*50)+"%");
}
}
public class A {
public static void main(String[] args) {
int count = 1;
int oushu = 0;
int jishu = 0;
for (int i = 1; i <= 200; i++) {
int temp = (int) (Math.random() * 500) + 100;
System.out.print(temp + " ");
if ((count % 10) == 0) {
System.out.println();
}
count++;
if ((temp % 2) == 0) {
oushu++;
} else {
jishu++;
}
}
System.out.println("偶数:" + oushu + "个.");
System.out.println("奇数:" + jishu + "个.");
System.out.println("偶数出现的概率是:" + (200 / oushu * 50) + "%");
System.out.println("奇数出现的概率是:" + (200 / jishu * 50) + "%");
}
}