Can you give me some codes to rewrite and practice on please

Answer 1

you can check SoloLearn coding challenge to solve some problems, that might be super helpful than giving already written codes

Answer 2

Public class Q
{
Public static void main(String[]args)
{
System.out.println("Hello world!");
}
}
Here you go.

Answer 3

https://www.sololearn.com/Codes?ordering=MostRecent&query=java