Using string.JoinThe following example uses the string.Join method to convert a list into a string. Program.cs List<string> words = ["a", "visit", "to", "London"]; var res = string.Join("-", words); Console.WriteLine(res); ...
java 8 String添加了一个特殊的方法String.join()以将集合转换为具有给定分隔符的字符串。 publicstaticvoidmain(String[]args){// creating a list with strings.List<String>list=Arrays.asList("One","Two","Three","Four","Five");// converting List<String> to String using toString() methodStringst...
6. public string[] Split(string[] separator, int count, StringSplitOptions options) 程序代码 string[] split = words.Split(new string[] { ",", "." }, 2, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2.3,,4"} 不保留空元素 string[] split = words.Split(new string[] { ",", "...
TheCollectors.joining()method requires aCharSequence, so we need tomaptheIntegertoString. We can utilize this same idea with other classes, even when we don’t have access to the code of the class. 4. Using an External Library Now we’ll use Apache Commons’StringUtilsclass to achieve simila...
System.out.println(StringUtils.join(intList,"|")); } Output: 1|2|3 Again, this implementation is internally dependent on thetoString()implementation of the type we're considering. 5. Conclusion In this article, we learned how easy it is to convert aListto aStringusing different techniques....
1. String > String[] Strings="a,b,c,d,e";String[]sArray=s.Split(','); 1. 2. 2. String[] > String string[]sArray={"a","b","c","d","e"};strings=String.Join(",",sArray); 1. 2. 3.String[] > List<String>
在这个示例中,我们创建了一个 List<string> 类型的变量 strings,并将一些字符串添加到其中。然后,我们使用 Aggregate 方法将这些字符串连接在一起。Aggregate 方法接受一个 lambda 表达式作为参数,该 lambda 表达式定义了如何将两个字符串连接在一起。在这个例子中,我们使用 + 运算符将两个字符串连接在一起...
This change replaces the use of string concatenation with a call to String.join(). String concatenation might be quadratic, unless the compiler can optimise it away, whereas String.join() is more r...
/// /// 默认排序/// /// /// privatevoidbtnDefault_Click(object sender,EventArgs e){this.dataList.Sort();this.richTextBox2.Text=string.Join(",",this.dataList.ToArray());}/// /// 自定义排序(从大到小)/// /// /// privatevoidbtnCustom_Click(object sender,EventArgs e){IntCompare...
Python String is a sequence of characters. We can convert it to the list of characters using list() built-in function. When converting a string to list of characters, whitespaces are also treated as characters. Also, if there are leading and trailing whitespaces, they are part of the list...