ORANGE Pi 3B - Ubuntu Jammy System

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Java default
a. You can use the following command to install openjdk-17
orangepi@orangepi:~$ sudo apt install -y openjdk-17-jdk
b. After installation, you can check the version of Java
orangepi@orangepi:~$ java --version
openjdk 17.0.2 2022-01-18
OpenJDK Runtime Environment (build 17.0.2+8-Ubuntu-120.04)
OpenJDK 64-Bit Server VM (build 17.0.2+8-Ubuntu-120.04, mixed mode, sharing)
c. Edit the hello_world.java of Jave version
orangepi@orangepi:~$ vim hello_world.java
public class hello_world
{
public static void main(String[] args)
{
System.out.println("Hello World!");
}
}
d. Then compile and run hello_world.java
orangepi@orangepi:~$ javac hello_world.java
orangepi@orangepi:~$ java hello_world
Hello World!
3.24.4. Ubuntu Jammy system
1) Ubuntu Jammy is installed with a gcc compilation tool chain by default, which can
directly compile C language programs in the Linux system of the development board
a. The version of gcc is as follows
orangepi@orangepi:~$ gcc --version
gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
b. Write the hello_world.c program of c language
orangepi@orangepi:~$ vim hello_world.c
#include <stdio.h>