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Java SE




Join




package testexample; import org.apache.commons.lang3.*; // --- Look here --- // public class Testexample { public static void main(String[] args) { String str[] = {"a", "b", "c"}; System.out.println(StringUtils.join(str, ",")); // --- Look here --- // // Output: a,b,c } }
 


https://commons.apache.org/proper/commons-lang