{
   "question_id": 214128,
   "question_title": "素数判断",
   "question_content": "判断任意整数是否是素数",
   "difficulty": "简单",
   "answer_id": 157880,
   "answer_content": "public class Num{\npublic static void main(String args[]){\n int m;\n boolean tag=true;\n System.out.print(\"Please enter a num:\");\n try{\n    m=(int)System.in.read();\n    for(int i=m-1;i>1;i--)\n       if(m%i==0)\n          tag=false;\n    if(tag==true)\n       System.out.println(m+\"is a sushu\");\n }catch(IOExceptimn e){}\n}\n}",
   "tag_name": "java",
   "java": "import java.io.IOException;\npublic class Num{\npublic static void main(String args[]){\n int m;\n boolean tag=true;\n System.out.print(\"Please enter a num:\");\n try{\n\tm=(int)System.in.read();\n\tfor(int i=m-1;i>1;i--)\n\t   if(m%i==0)\n\t\t  tag=false;\n\tif(tag==true)\n\t   System.out.println(m+\"is a sushu\");\n }catch(IOException e){}\n}\n}",
   "topic_link": "https://bbs.csdn.net/topics/600470286",
   "status": 0,
   "keywords": "算法高阶,数论算法,素数的测试,算法问题选编",
   "license": "csdn.net",
   "notebook": {
      "java": "https://codechina.csdn.net/csdn/csdn-daily-code/-/jupyter/master/data/notebook/answer/ipynb/java/21.ipynb?type=file"
   }
}