有一个很长的字符串，想分成多行书写，主要为了美观。
VB代码中可以将一个很长的字符串分成多行书写，例如：
String str="adfasdfasdfas \
asdfasdfasdfasdf \
asdfasdf "
Java 没有相似的处理方式。
变通处理方式：
String s = "It was the best of times, it was the worst of times,"
+ "it was the age of wisdom, it was the age of foolishness,"
+ "we had everything before us, we had nothing before us";
String s = new StringBuilder()
.append("it was the spring of hope, it was the winter of despair,")
.append("we had everything before us, we had nothing before us")
.toString();
Java 12， 13 以上版本才有类似功能。
REF
https://blog.csdn.net/cunxiedian8614/article/details/105698682?utm_medium=distribute.pc_relevant_bbs_down.none-task--2~all~sobaiduend~default-1.nonecase&depth_1-utm_source=distribute.pc_relevant_bbs_down.none-task--2~all~sobaiduend~default-1.nonecase
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