出现这种错误怎么解决?

Exception in thread "main" java.lang.Error: Unresolved compilation problems:
Syntax error on token "double", delete this token
Cannot make a static reference to the non-static field celsius
Syntax error on token "Invalid Character", ( expected
Cannot make a static reference to the non-static field fahrenheit

at excise.HuashiduSheshidu1308.main(HuashiduSheshidu1308.java:30)

出现这种错误怎么解决?

不放代码光放一堆错误,这又不是一个错误,双击错误,定位到错误的代码行,根据错误提示修改啊