I want to learn java but i dont know form where to start,

Answer 1

Sushil Yadv start right here:
https://www.sololearn.com/learn/Java/2131
and if you have any trouble post your questions @Q&A ( here)

class MyClass {
public static void main(String[ ] args) {
System.out.println("Hi");
}
}
for more references :
https://www.geeksforgeeks.org/java-how-to-start-learning-java/

Answer 2

From java course here in sololearn?!...
Try to run every example from each chapter
Search and Watch YouTube videos if you don't understand something
Try to do challenges
Play against others and if you don't know the answer make a screenshot and search on Internet until you get it right