/*时 代 J a v a 公 众 号 - nowjava.com*/
//package com.book2s;
public class Main {
public static void main(String[] argv) {
String[] strings = new String[] { "1", "abc", "level", null,
"book2s.com", "asdf 123" };
System.out.println(join(strings));
}
/**
* Joins a string array based on the delimiter
*
* @param strings
* @return
*/
public static String join(String[] strings) {
return join(strings, ",");
}
public static String join(String[] strings, String delim) {
return join(strings, ",", false);
}//NowJava.com - 时 代 Java 提供
public static String join(String[] strings, String delim,
boolean toUpper) {
StringBuilder sb = new StringBuilder();
boolean start = true;
for (String string : strings) {
if (start) {
start = false;
} else {
sb.append(delim);
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