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Void doesn't return anything; it tells the compiler the method doesn't have a return value. void means it returns nothing. It does not return a string, you write a string to System.out but you're not returning one. You must specify what a method returns, even if you're just saying that it returns nothing.
Mar 5, 2010 · The three words have orthogonal meanings. public means that the method will be visible from classes in other packages. static means that the method is not attached to a specific instance, and it has no " this ". It is more or less a function. void is the return type. It means "this method returns nothing".
Sep 2, 2011 · 54. Private static variables are useful in the same way that private instance variables are useful: they store state which is accessed only by code within the same class. The accessibility (private/public/etc) and the instance/static nature of the variable are entirely orthogonal concepts.
Mar 26, 2015 · 0. public is a keyword that allows code outside run it. static is a keyword that doesn't need an instance to be run. void is a type of data that the function returns. main is a name of the function that will be ran. string [] args is where arguments on running the programm will be put. It's an array of strings.
Oct 7, 2012 · void bark() { System.out.println("Woof-Woof"); } You will see that print out on your screen: Woof-Woof because the body of bark() method has inside the println() method and this method has a statement "Woof-Woof" type String, so bark() method is performing an action: calling println() method, and println() method is returning a String statement.
Dec 13, 2020 · Definition: Java’s this keyword is used to refer the current instance of the method on which it is used. Following are the ways to use this: To specifically denote that the instance variable is used instead of static or local variable. That is, private String javaFAQ; void methodName(String javaFAQ) { this.javaFAQ = javaFAQ; }
May 21, 2009 · in public static void main (String args []) args is an array of console line argument whose data type is String. in this array, you can store various string arguments by invoking them at the command line as shown below: java myProgram Shaan Royal then Shaan and Royal will be stored in the array as arg [0]="Shaan"; arg [1]="Royal"; you can do ...
Mar 25, 2013 · This means that you can call a static method without creating an object of the class. void means that the method has no return value. If the method returned an int you would write int instead of void. The combination of all three of these is most commonly seen on the main method which most tutorials will include.
Oct 9, 2014 · The keyword simply pops a frame from the call stack returning the control to the line following the function call. answered Apr 13, 2009 at 17:36. MahdeTo. 11.2k22828. 12. Haha. This is great answer but I doubt beginners in java would really grasp what you're trying to say. – franklin. CommentedJan 4, 2013 at 14:19.
Jul 6, 2009 · 34k11101123. 88. synchronized means that in a multi threaded environment, an object having synchronized method (s)/block (s) does not let two threads to access the synchronized method (s)/block (s) of code at the same time. This means that one thread can't read while another thread updates it.
