Please I'm confused; I really cant differentiate between static and public static........ I have a code here to show

Question

when I run this code with "(public) static void" in all the methods I still get the same result........so whats the difference?

public class Sololearn {
public static void main(String[] args) {

add(5,5);
sub(20,5);
mult(5,4);
div(15,3);
}

static void add(int sum1, int sum2){
int answer = sum1 + sum2;
System.out.println(answer);
}

static void sub(int sum1, int sum2){
int answer = sum1 - sum2;
System.out.println(answer);
}

static void mult(int sum1, int sum2){
int answer = sum1 * sum2;
System.out.println(answer);
}

static void div(int sum1, int sum2){
int answer = sum1 / sum2;
System.out.println(answer);
}

}

/* OUTPUT IS:

10
15
20
5
*/

Answer 1

The fact that you included "public" doesn't change the output of your methods.
Public keyword is an access modifier.
It only has a meaning /significance if you're dealing with classes.

so even if you use "public" or just static, output remains same

Answer 2

What is "static" ?:

static memory: holds variables for start of execution.

The "main" function is defined as "static".

Other functions are defined as static if necessary.

Static variables can be defined in the same way.