centos7或者8下安装SpringToolSuite4

    步骤1：    
    wget https://download.springsource.com/release/STS4/4.12.0.RELEASE/dist/e4.21/spring-tool-suite-4-4.12.0.RELEASE-e4.21.0-linux.gtk.x86_64.tar.gz
    步骤2：
    mkdir /usr/java
    cp -r /root/下载/spring-tool-suite-4-4.12.0.RELEASE-e4.21.0-linux.gtk.x86_64.tar.gz /usr/java
    tar -zxvf spring-tool-suite-4-4.12.0.RELEASE-e4.21.0-linux.gtk.x86_64.tar.gz
    步骤3：
    vim /usr/share/applications/SpringToolSuite4.desktop
    步骤4：
    [Desktop Entry]
    Name=SpringToolSuite4
    GenericName=SpringToolSuite4
    Comment=Java IDE
    Exec=/usr/java/sts-4.12.0.RELEASE/SpringToolSuite4
    Icon=/usr/java/sts-4.12.0.RELEASE/icon.xpm
    Terminal=false
    Type=Application
    Categories=Developer;