java yyyy-MM-dd HH:mm:ss

以下是一个Java代码示例，可以将日期格式转换为"yyyy-MM-dd HH:mm:ss"格式：

String format = "yyyy-MM-dd HH:mm:ss";
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
String currentTime = simpleDateFormat.format(new Date());
System.out.println(currentTime);

这段代码使用了`SimpleDateFormat`类来定义日期格式，并将当前日期转换为指定格式的字符串。输出结果将是形如"2022-06-06 16:02:31"的字符串。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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