查找jdk

rivsidn@rivsidn:~/demo/java$ sudo apt-cache search jdk
default-jdk - Standard Java or Java compatible Development Kit

 

SRE实战 互联网时代守护先锋，助力企业售后服务体系运筹帷幄！一键直达领取阿里云限量特价优惠。

安装

rivsidn@rivsidn:~/demo/java$ sudo apt-get install default-jdk

 

 

示例代码

rivsidn@rivsidn:~/demo/java$ cat Welcome.java 
public class Welcome
{
    public static void main(String[] args)
    {
        String greeting = "Welcome to Core Java!";
        System.out.println(greeting);
    }
}

 

编译，执行

rivsidn@rivsidn:~/demo/java$ javac Welcome.java 
rivsidn@rivsidn:~/demo/java$ java Welcome 
Welcome to Core Java!

 

扫码关注我们
微信号：SRE实战
拒绝背锅 运筹帷幄