有没有一种简单的方法可以将多行文本连接成一个字符串，而无需不断添加换行符?

Is there an easy way to concatenate several lines of text into a string without constantly appending a newline?(有没有一种简单的方法可以将多行文本连接成一个字符串，而无需不断添加换行符?)

问题描述

所以我基本上需要这样做:

So I essentially need to do this:

String text = "line1
";
text += "line2
";
text += "line3
";
useString( text );

涉及的内容更多，但这是基本思想.有没有什么可以让我在这方面做更多的事情?

There is more involved, but that's the basic idea. Is there anything out there that might let me do something more along the lines of this though?

DesiredStringThinger text = new DesiredStringThinger();
text.append( "line1" );
text.append( "line2" );
text.append( "line3" );
useString( text.toString() );

显然，它不需要完全那样工作，但我想我明白了基本点.总是可以选择编写一个自己处理文本的循环，但是如果有一个标准的 Java 类已经做了这样的事情，而不是我需要在应用程序之间携带一个类，这样我就可以了做些微不足道的事.

Obviously, it does not need to work exactly like that, but I think I get the basic point across. There is always the option of writing a loop which processes the text myself, but it would be nice if there is a standard Java class out there that already does something like this rather than me needing to carry a class around between applications just so I can do something so trivial.

谢谢！

推荐答案

您可以使用 StringWriter 包裹在 PrintWriter:

You can use a StringWriter wrapped in a PrintWriter:

StringWriter stringWriter = new StringWriter();
PrintWriter writer = new PrintWriter(stringWriter, true);
writer.println("line1");
writer.println("line2");
writer.println("line3");
useString(stringWriter.toString());

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