将 String 转换为 Java 中的逗号分隔列表
首先,设置一个字符串值列表−
List<String> myList = new ArrayList<>(
Arrays.asList("One", "Two", "Three", "Four"));现在,使用 String.join() 将它们设置为逗号分隔列表−
String str = String.join(", ", myList);示例
以下是将字符串转换为 Java 中逗号分隔列表的程序−
import java.util.*;
public class Demo {
public static void main(String args[]) {
List<String> myList = new ArrayList<>(Arrays.asList("One", "Two", "Three", "Four"));
System.out.println("List = " + myList);
// comma separated
String str = String.join(", ", myList);
System.out.println("String (Comma Separated) = " + str);
}
}输出
List = [One, Two, Three, Four] Comma separated String: One, Two, Three, Four
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