http://apache.justdn.org/jakarta/commons/lang/binaries/commons-lang-2.1.zip http://apache.justdn.org/jakarta/commons/lang/source/commons-lang-2.1-src.zip 其中后一个是源代码。 这一组API的所有包名都以org.apache.commons.lang开头,共有如下8个包: org.apache.commons.lang org.apache.commons.lang....
http:///jakarta/commons/lang/binaries/commons-lang-2.1.zip http:///jakarta/commons/lang/source/commons-lang-2.1-src.zip 其中后一个是源代码。 这一组API的所有包名都以org.apache.commons.lang开头,共有如下8个包: org.apache.commons.lang org.apache.commons.lang.bui...
package sean.study.jakarta.commons.lang; import java.util.Map; import org.apache.commons.lang.ArrayUtils; public class ArrayUtilsUsage { public static void main(String[] args) { // data setup int[] intArray1 = { 2, 4, 8, 16 }; int[][] intArray2 = { { 1, 2 }, { 2, 4 },...
这段代码说明了我们可以如何方便的利用ArrayUtils类帮我们完成数组的打印、查找、克隆、倒序、以及值型/对象数组之间的转换等操作。如果想了解更多，请参考Javadoc。StringUtils 处理文本对Java应用来说应该算是家常便饭了，在1.4出现之前，Java自身提供的API非常有限，如String、StringTokenizer、StringBuffer，...
Javadoc.ExtensionInfo org.apache.tools.ant.taskdefs.Javadoc.DocletInfo org.apache.tools.ant.util.LineTokenizer (implements org.apache.tools.ant.util.Tokenizer) org.apache.tools.ant.taskdefs.condition.Matches (implements org.apache.tools.ant.taskdefs.condition.Condition) org.apache.tools.ant.taskdefs...
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org.apache.commons.langStringUtilssubstring Javadoc Show more Gets a substring from the specified String avoiding exceptions. A negative start position can be used to start n characters from the end of the String. A null String will return null. An empty ("") String will return "". StringUtil...
o Expand Javadoc for StringSubstitutor and friends. Thanks to Gary Gregory. o [site] checkstyle.version 8.21 -> 8.23. Thanks to Gary Gregory. Historical list of changes: https://commons.apache.org/proper/commons-textchanges-report.html For complete information on Apache Commons Text, including ...
org.apache.commons.langStringUtilsisNotEmpty Javadoc Show more Checks if a String is not empty ("") and not null. StringUtils.isNotEmpty(null) = false StringUtils.isNotEmpty("") = false StringUtils.isNotEmpty(" ") = true StringUtils.isNotEmpty("bob") = true StringUtils.isNotEmpty(" ...
第一步:引入Jsoup和lang和lang3的依赖: Jsoup是HTML解析器 lang和lang3这两个包里有转换所需的工具类 org.jsoup jsoup 1.11.3 commons-lang commons-lang 2.6 org.apache.commons commons-lang3 3.4 第二步:直接使用即可: import org.apache.commons.lang.StringEscapeUtils; import org.apache.commons.lang3.Str...