Java 1.2 uses major version 46 Java 1.3 uses major version 47 Java 1.4 uses major version 48 Java 5 uses major version 49 Java 6 uses major version 50 Java 7 uses major version 51 Java 8 uses major version 52 JDK版本不兼容会导致下面类似的错误 cannot access com.cain…
java 时出现 could not open jvm.cfg 的解决办法 问题描述: 重装JDK并更变目录后,出现JAVA -VERSION 出现could not open jvm.cfg 失败的解决办法: 卸载后再次重装,结果依然不行 查询网上资料后得到解决-解决办法(真实可用) 一.在点击开始-->运行->输入regedit确定打开注册表. 二. 找到HKEY_LOCAL_MACHINE/software/…
In pom.xml, defined this maven.compiler.source properties to tell Maven to use Java 8 to compile the project. 1. Maven Properties Java 8 pom.xml <properties> <maven.compiler.target>1.8</maven.compiler.target> <maven.compiler.source>…
This tutorial will guide you on how to install JDK (Java Development Kit) on Linux. Since I use Centos 5.4 x86_64 in everyday life, this guide is showing you how to install JDK in Centos 5.4 64bit. It must work in any other Linux distro such as Slack…
原文链接:为什么我eclipse新建项目的时候默认的是JRE1.5? 修改Maven中conf目录里的setting.xml文件内容,加上如下内容: <profiles> <!-- profile | Specifies a set of introductions to the build process, to be activated using one or more of the | mechanisms described above. For inheritance pur…
在我们实际使用IDEA开发maven项目的时候,创建maven项目的默认版本是jdk1.5,当然我们可以通过其他手段去修改module的JDK版本,或JDK的编译级别等等,但是如果每次你都这样修改,那真的很麻烦,有没有一劳永逸的方法呢? 在conf/setting..xml文件中添加如下信息即可. <profiles> <!-- profile | Specifies a set of introductions to the build process, to be activated…
https://docs.oracle.com/javase/8/docs/technotes/tools/windows/jdkfiles.html Java Platform, Standard Edition Tools ReferenceContents Previous Next 3 JDK and JRE File Structure This chapter introduces the JDK directories and the files they contain.…
Java class vs. JDK version mapping Java SE 9 = 53,Java SE 8 = 52,Java SE 7 = 51,Java SE 6.0 = 50,Java SE 5.0 = 49,JDK 1.4 = 48,JDK 1.3 = 47,JDK 1.2 = 46,JDK 1.1 = 45…
修改 配置文件 maven 安装 路径 F:\apache-maven-3.3.9\conf 修改 settings.xml 在 <mirrors> <!-- mirror | Specifies a repository mirror site to use instead of a given repository. The repository that | this mirror serves has an ID that matches the mirrorOf element…
JDK的路径变化会导致 NetBeans 启动时出现错误: 解决办法: There's is an easy way to fix this. Navigate to your NetBeans installation folder which by default should be C:\Program Files\NetBeans and look for the folder etc. Inside that folder should be a file with the name…