a. The version of gcc is as follows

orangepi@orangepi:~$ gcc --version
gcc (Debian 10.2.1-6) 10.2.1 20210110
Copyright (C) 2020 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 in C language

orangepi@orangepi:~$ vim hello_world.c
#include 
int main(void)

{
printf("Hello World!\n");
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!

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.

Use the Ctrl+D shortcut to exit python's interactive mode

b. Write 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!

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