{
  "type": "code_options",
  "author": "csdn.net",
  "source": "solution.md",
  "exercise_id": "90db1431b3b0440ab4b6368a5053f42d",
  "keywords": "算法高阶,字符串匹配,算法问题选编,利用有限自动机进行字符串匹配",
  "title": "改写字符串",
  "desc": [
    {
      "content": "\n键盘录入一个字符串，将字符串中的大写改成小写，小写改成大写，数字改成*。例如heLLO123,输出后为HEllo***",
      "language": "markdown"
    }
  ],
  "answer": [
    {
      "content": "",
      "language": "java"
    }
  ],
  "prepared": [
    [
      {
        "content": "",
        "language": "java"
      }
    ],
    [
      {
        "content": "",
        "language": "java"
      }
    ],
    [
      {
        "content": "",
        "language": "java"
      }
    ]
  ],
  "template": {
    "content": "import java.util.Scanner;\npublic class Transfer {\n\tpublic static void main(String[] args) {\n\tString str = \"\";\n\tScanner s = new Scanner(System.in);\n\tSystem.out.println(\"请输入您想输入的字符串：\");\n\tstr = s.next();\n\tStringBuffer sb = new StringBuffer();\n\tint i;\n\tfor (i = 0; i <= str.length() - 1; i++) {\n\t\tchar ch;\n\t\tif (str.charAt(i) >= 'a' && str.charAt(i) <= 'z') {\n\t\t\tch = (char) (str.charAt(i) - 32); \n\t\t} else if (str.charAt(i) >= 'A' && str.charAt(i) <= 'Z') {\n\t\t\tch = (char) (str.charAt(i) + 32); \n\t\t} else if (str.charAt(i) >= '0' && str.charAt(i) <= '9') {\n\t\t\tch = '*'; \n\t\t} else {\n\t\t\tch = str.charAt(i); \n\t\t}\n\t\tsb.append(ch); \n\t}\n\tString trStr = sb.toString(); \n\tSystem.out.println(sb.toString());\n  }\n}",
    "language": "java"
  },
  "node_id": "dailycode-76e2da179b144ee88079177af1baae8c",
  "license": "csdn.net",
  "created_at": 1637894161,
  "topic_link": "https://bbs.csdn.net/topics/600469971"
}