HelloWorld.java:6: error: incompatible types: String cannot be converted to char
case "一":
^
HelloWorld.java:7: error: incompatible types: String cannot be converted to char
case "三":
^
HelloWorld.java:8: error: incompatible types: String cannot be converted to char
case "五":
^
HelloWorld.java:11: error: incompatible types: String cannot be converted to char
case "二":
^
HelloWorld.java:12: error: incompatible types: String cannot be converted to char
case "四":
^
HelloWorld.java:13: error: incompatible types: String cannot be converted to char
case "六":
^
HelloWorld.java:16: error: incompatible types: String cannot be converted to char
case "日":
^
7 errors
