java 字符串数组连接

• jdk1.8
• commons-lang3

		
			org.apache.commons
			commons-lang3
			3.9
		

import java.util.ArrayList;

import org.apache.commons.lang3.StringUtils;

public class TestMain {

	public static void main(String[] args) {
		ArrayList arrayList = new ArrayList();
		arrayList.add("zhangsan");
		arrayList.add("lisi");
		arrayList.add("wangwu");
		
		String joinedString = StringUtils.join(arrayList.toArray(), "-");
		System.out.println(joinedString);
	}

}

执行结果：

zhangsan-lisi-wangwu