error: unmappable character for encoding ASCII 1. 这个错误通常发生在源代码中包含了非ASCII字符,而javac默认使用ASCII编码进行编译。此时,我们需要指定正确的编码方式,以避免这个问题。 问题分析 Java源代码文件通常使用UTF-8编码,但在某些情况下,源代码文件可能使用了GBK编码。当javac默认使用ASCII编码进行编译时,就...
java文件编译报错:error: unmappable character for encoding ASCII 解决: 编译时:javac -encoding utf-8 TestJava.java 运行时:java -Dfile.encoding=utf-8 TestJava 问题: mac系统下,javac运行报错:Error: Could not find or load main class xxx 解决:如果你的class在package里,你必须cd到包含该package的目录...
For exapmle: Test.java public class Test{ public static void main(String[ ] args){ System.out.println("Hello World! 这位是王疯子!"); } } 在linux终端进行编译时,出现以下乱码: # javac Test.java Test.java: 5: warning: unmappable character for encoding ASCII System.out.println("Hello World!
如果这个文件以 GBK 编码保存,那么在 UTF-8 编码的编译环境下执行javac HelloWorld.java命令,就会出现如下错误: error: unmappable character for encoding UTF-8 1. 解决方案 解决“错误编码不可映射的 GDK 字符”问题的关键在于确保文件编码与 Java 编译器的编码设置一致。以下是几种常见的解决办法: 更改文件编码...
CharSetTest.java:5: warning: unmappable character for encoding ASCII String test = "???"; 分析一下为什么会这样呢?对于java编译器来说,CharSetTest.java就是一个文本文件,java编译器要解析这个文本文件并编译生成.class文件。分析了下原因大概是这样的:CharSetTest.java一定是以某一种编码格式来存储的,所以...
替换不可映射的字符:您可以使用CharsetEncoder类的onUnmappableCharacter()方法来指定如何处理不可映射的字符。例如,您可以选择替换它们为一个特定的字符或忽略它们。 使用其他字符集:您可以尝试使用其他字符集,例如ISO-8859-1,它可能支持您需要的字符。 总之,"用于编码的不可映射字符"警告意味着您正在尝试将一个字符转...
unmappable character (0xD0) for encoding ASCII private final String foo = "����"; ^ /Users/lptr/Workspace/gradle/bugs/gradle-javac-encoding-failure/src/main/java/encoding/test/Library.java:7: error: unmappable character (0xB0) for encoding ASCII private final String foo = "�...
publicInputStreamReader(InputStream in, String charsetName)throwsUnsupportedEncodingException {super(in);if(charsetName ==null)thrownewNullPointerException("charsetName"); sd= StreamDecoder.forInputStreamReader(in,this, charsetName); } 这个就是使用指定字符集进行构造了,可以看到charsetName是初始化方法的第三...
This method always replaces malformed-input and unmappable-character sequences with this charset's default replacement string. The java.nio.charset.CharsetDecoder class should be used when more control over the decoding process is required. Added in 1.6. Java documentation for java.lang.String.String...
In the UTF-8 encoding, the presence of the BOM is not essential because, unlike the UTF-16 or UTF-32 encodings, there is no alternative sequence of bytes in a character. The BOM may still occur in UTF-8 encoding text, however, either as a by-product of an encoding conversion or beca...