def sb =newStringBuffer('Hello World')assertsb.toString() =='Hello World'sb.length =5assertsb.toString() =='Hello'assertsb.substring(0,2) =='He'//Use <<, append(String) or leftShift(String) to append to a StringBuffer.//Using + to append to a StringBuffer will return a Stringsb...
StringBuffers和StringBuilders是可变的,允许字符串改变。StringBuilder不是线程安全的,因此处理速度要比StringBuffers快。 def sb =newStringBuffer('Hello World') assertsb.toString() =='Hello World' sb.length =5 assertsb.toString() =='Hello' assertsb.substring(0,2) =='He' //Use <<, append(Str...
4.使用正则表达式的Matcher.find()方法搜索字符串: String s="the quick brown fox jump over the lazy dog." Pattern p =Pattern.compile("the",Pattern.CASE_INSENSITIVE); Maher m=p.machier; while(m.find()) { String sub=s.subString(m.start(),m.end()); System.out.println(sub+",start=" ...
str[0..4] 字符串的截取 //java.subString() ㈤groovy中数字 采用精度更高的BigDecimal来进行计算 def a = 1 def b = 2 println a + b //3 println a.plus(b) //3 ㈥groovy中的注释,与java中用法基本一致 单行// 多行/** */ ㈦groovy中的类 与java中基本没有什么区 class 前没有限定符,作用...
'substring',// 条件与控制'if_','for_','while_',//集合操作'list','dict','keys','values','get']// 允许的输出函数defprint(message){println"Safe Output: $message"}defgetDateTime(){returnnewDate().format('yyyy-MM-dd HH:mm:ss')}defhelp(){print("Available functions: ${allowedMethods....
static void main(String[] args) { // Using a simple println statement to print output to the console println('Hello World'); } } 1. 2. 3. 4. 5. 6. 当我们运行上面的程序,我们会得到以下结果 - Hello World 1. 2、在 Groovy 中导入语句 ...
我们定义三个状态：普通NORMAL、单行注释SINGLE以及多行注释MULTI；并定义行为：单行注释开始标志SINGLE_...
String componentName = component.getName() def shortenedComponentName = componentName.substring(componentName.indexOf("-") + 1) def projectName = componentName.substring(0, componentName.indexOf("-")) def newIssueproject = ComponentAccessor.projectManager.getProjectObjByKey(projectName) List < String...
at java.base/java.lang.String.substring(String.java:1841) at org.apache.groovy.util.BeanUtils.capitalize(BeanUtils.java:54) atorg.codehaus.groovy.control.StaticImportVisitor.getAccessorName(StaticImportVisitor.java:519)atorg.codehaus.groovy.control.StaticImportVisitor.findStaticPropertyAccessor(StaticImport...
17] == 'are' // a substring in the middle assert str[17..15] == 'era' // a substring in the middle, reversed Static this Unlike Java where the this keyword only makes sense in instance scope, this resolves to the class in static scope. One use of this feature is when defining ...