刚学Java遇到的一个小问题

Question

char c=sc.next().charAt(0);
System.out.println((int)c);
刚学java，想用java实现字符转ASCII码，在网上看到一个这样的答案不太理解下面这段代码为什么能这样转？
还有java字符转ASCII码都有几种方法呢？
求各位解答。

Answer 1

不知道你这个问题是否已经解决, 如果还没有解决的话:

• 这个问题的回答你可以参考下: https://ask.csdn.net/questions/1092072
• 这篇博客你也可以参考下：java打印ASCII码的字符
• 除此之外, 这篇博客: java char类型数值转int，以及获取ASCII码中的 总结： 部分也许能够解决你的问题, 你可以仔细阅读以下内容或者直接跳转源博客中阅读:
  
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  (char)( i + '0')

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  (int)(c - '0')

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  Character.getNumericValue(c)

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  Integer.parseInt(String.valueOf(c))

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  int i

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  char c

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  int i

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  int i

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  int i

  </foreignObject></g></g></g></g></g></svg>

  （本文均为自己实验及调研结果，如有纰漏，望大家指正！）

• 您还可以看一下 张长志老师的通俗易懂的Java安全密码学教程课程中的 09_JAVA-字符串对应ascii编码小节, 巩固相关知识点
  

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