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Java utils
工具类简介汉字和英文混在一块,看起来有些费劲,能够格式化输出,使排版更加容易阅读?
赞,非常棒,已收藏。要是能在maven上更新就完美了。
hello 写的不错 下载收藏了****
该方法没有考虑科学计数法的问题
public static int doueleBitCount(double dd)
{
String temp = String.valueOf(dd);
int i = temp.indexOf(".");
if (i > -1)
{
return temp.length() - i - 1;
}
return 0;
}
public static void main(String[] args)
{
Double a = 3.4E10;
System.out.println(a);
System.out.println(doueleBitCount(a));
}
方便记忆和提示
these code works
InputStream input = new FileInputStream(file);
BufferedReader b = new BufferedReader(new InputStreamReader(input));
String value = b.readLine();
if (value != null)
while (value != null) {
count++;
value = b.readLine();
}
b.close();
input.close();
不知道楼主是不是还在更新,非常感谢作者
Base64编码的util有吗,在哪个文件里?谢谢
com.opslab.util.ZIPUtil at line 21
give a solution
try {
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(dest));
zipFile(file, zos, "");
zos.flush();
zos.close();
} catch (IOException e) {
e.printStackTrace();
throw e;
}
可不可以直接导入jar包就可以使用里面的所有API,目前只测试了下面一段代码,就发现类找不到
public static void main(String[] args){
String string = ChinesUtil.getFullSpell("你好");
System.out.println(string);
}
异常信息
Exception in thread "main" java.lang.NoClassDefFoundError: net/sourceforge/pinyin4j/format/exception/BadHanyuPinyinOutputFormatCombination
使用ThreadLocal有可能存在内存泄露的问题。希望改进下。
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