-小龙人的博客**昨天因为Tomcat问题装了JDK1.6,原来的jdk是1.8的,然后启动eclipse出现异常, Java was started but returned exit =1。** 异常中已经说明java is started 说明java运行是正常的(不放心可以去命令行dos下...
星是河的眼的博客今天写在eclipse中用JDK8写switch语句时用了JDK13的语法,点击错误提示 change project compliance and JRE to 13 and Enable preview features on project properties. 之后原来的jar包没了,项目上来了个红色的大...