package list;
import java.util.ArrayList;
import java.util.List;
public class list {
public static void main(String[] args) {
List<String> resultList = new ArrayList<String>();
resultList.add("a1");
resultList.add("a2");
resultList.add("a3");
resultList.add("a4");
StringBuffer resultBuffer = new StringBuffer();
for (int i = 0; i < resultList.size(); i++) {
String result = resultList.get(i);
if (i == 0) {
resultBuffer.append(result);
} else {
resultBuffer.append("," + result);
}
}
String testResult = resultBuffer.toString();
System.out.println(testResult);
}
}
循环拼接List并以逗号间隔
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转载自blog.csdn.net/Mr_ZhangAdd/article/details/84561853
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