String.format("提交失败!s% 不存在!", name) 很明显是s%标识的使用错误,导致IDEA报出了Format string 'xxx' is malformed警告。 正确的写法应该是: String.format("提交失败!%s 不存在!", name) 虽然是一个不经意的小错误,但有可能会造成大问题。还是要细心。 提供一下String.format不同转换符实现不同数...
下面是用Java代码实现的判断字符是否为乱码的方法: importjava.nio.charset.Charset;importjava.nio.charset.StandardCharsets;publicclassCharsetUtils{publicstaticbooleanisMalformed(Stringstr){byte[]bytes=str.getBytes(StandardCharsets.ISO_8859_1);Stringdecoded=newString(bytes,StandardCharsets.UTF_8);return!decode...
java.lang.illegalArgumentException:MALFORMED报错 java.lang.illegalArgumentException:MALFORMED报错 上班处理业务反馈的问题时遇到了这个报错,情景是用户上传了一个zip文件,在下载zip文件时报这个错误。 经排查,原因是zip文件中含有中文字符"—" 跟英文字符"-"基本分别不出来 window环境下默认字符集为GBK,ZipFile则默认使...
import java.text.ParseException; import java.text.SimpleDateFormat; public class DateParser { public static void parseDate(String dateStr) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); sdf.setLenient(false); try { sdf.parse(dateStr); } catch (ParseException e) { throw ne...
(String[] args) {String urlString = "https://www.example.com";try {URI uri = new URI(urlString);URL url = uri.toURL();System.out.println("URL is valid: " + url);} catch (URISyntaxException | MalformedURLException e) {System.err.println("URL格式错误: " + e.getMessage());}...
* * @param e-异常 */ public static String getExceptionInfo(Exception e) {...
throw new IllegalArgumentException("MALFORMED"); return new String(ca, 0, clen); } ByteBuffer bb = ByteBuffer.wrap(ba, 0, length); CharBuffer cb = CharBuffer.wrap(ca); CoderResult cr = cd.decode(bb, cb, true); if (!cr.isUnderflow()) throw new IllegalArgumentException(cr.toString())...
String str = "abc"; is equivalent to: char data[] = {'a', 'b', 'c'}; String str = new String(data); Here are some more examples of how strings can be used: System.out.println("abc"); String cde = "cde"; System.out.println("abc" + cde); String c = "abc".subst...
MalformedLinkException(String) This exception is thrown when a malformed link was encountered while resolving or constructing a link. Synchronization and serialization issues that apply to LinkException apply directly here. Since: 1.3 See Also:
As of JDK 1.1, the preferred way to do this is via the String constructors that take a java.nio.charset.Charset, charset name, or that use the platform's default charset. Java documentation for java.lang.String.String(byte[], int, int, int). Portions of this page are ...