ORANGE Pi 3B - Page 253

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return 0;
}
c. Then compile and run hello_world.c
orangepi@orangepi:~$ gcc -o hello_world hello_world.c
orangepi@orangepi:~$ ./hello_world
Hello World!
2) Debian Bullseye has Python3 installed by default
a. The specific version of Python is as follows
orangepi@orangepi:~$ python3
Python 3.9.2 (default, Feb 28 2021, 17:03:44)
[GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
b. hello_world.py program in Python language
orangepi@orangepi:~$ vim hello_world.py
print('Hello World!')
c. The result of running hello_world.py is as follows
orangepi@orangepi:~$ python3 hello_world.py
Hello World!
3) Debian Bullseye does not install Java compilation tools and operating environment by
default
a. You can use the following command to install openjdk, the latest version in
Debian Bullseye is 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
c. Edit the hello_world.java of the Jave version
orangepi@orangepi:~$ vim hello_world.java
public class hello_world
{
public static void main(String[] args)
{
System.out.println("Hello World!");