Why java main method is public?

Answer 1

Main method is public so that JVM can access the main method and execute it.

Answer 2

it's a rule :)

Answer 3

public modifier is used in main function because when we declare a function with public modifier it is visible to all classes and it can be accessed by anything.

Answer 4

so that the JVM can call it. it is the main point of entry out execution for your program.