小写驼峰转换为大写下划线

Author: LoonCode

Guava/src/main/java/com/example/string/lowerCamelToUpperUnderscore.java

@@ -0,0 +1,11 @@
+package com.example.string;
+
+import com.google.common.base.CaseFormat;
+
+
+public class lowerCamelToUpperUnderscore {
+
+    public static void main(String[] args) {
+        System.out.println(CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, "lowerCamel"));
+    }
+}