Ubuntu 20.04下在.bashrc中配置多版本JDK路径的方法

Below are the markdown formatting rules, formatted according to the guidelines themselves:

• Headings: Use number signs (#). Example: # Level 1 Heading
• List Items: Start each item with a dash (-).
• Emphasized Text: Wrap text with asterisks (*). Example: emphasized text
• Code or Commands: Surround content with backticks (`). Example: ls -l
• Quoted Text: Use greater than signs (>). Example:

  This is quoted text.

• Links: Format as [Display Text](URL) where "Display Text" is the clickable label and "URL" is the target address.
• Images: Format as [Alt Text](Image URL) where "Alt Text" describes the image and "Image URL" is the path to the image.

内容的提问来源于stack exchange，提问作者rebel_codeaz