What is wrong with this code?

package javaapplication11;



public class HelloApp2 {
{
public static void main (String [] args)
{
Greeter myGreeterObject = new Greeter () ;
myGreeterObject.sayHello();
}



}

}

I can't seem to find anything wrong , but the compiler says that it doesn't have a main method?

package javaapplication11;



import javax.swing.JOptionPane;

public class Greeter
{

public void sayHello()
{
(JOptionPAne.showMessageDialog(null
"Hello,World", "Greeter",
JOptionPane.INFORMATION_MESSAGE );
}
}

Please read the forum rules. You have posted 2 topics that are basically the same. I have merged your two posts for you, but please avoid doing this again, and please use the code tags (instructions of which are again in the forum rules)

public static void main (String [] args)
{
package javaapplication11;



public class HelloApp
{
static String helloMessage;

public static void main (String [] args)
{

helloMessage = "Hello, World !";
System.out.println(helloMessage);
}
}

Code :

---

public static void main(String[] args) {
}

---

is the main method why do you have 2 of them?

@dannyboi, this is a warning. Please do not continue to force moderators to merge your threads - keep your questions regarding this topic - whatever variations of your code they may be - in this thread only. Otherwise, you will force the moderating team to take further action

There is a lot wrong with your code lol :-s For one it won't do anything, because you are calling methods that don't exist. Here is a good example that accomplishes something similar to what I believe you were trying to accomplish.

Code java:

---

import java.util.Scanner;
 
 
public class HelloWorldObject {
 
	private void sayHello(String name)
	{
		String greeting = "\nHello "+ name +" welcome to JAVA!!!";
		System.out.println(greeting); 
	}
 
	public static void main(String[] args)
	{
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Please enter your name...");
		new HelloWorldObject().sayHello(keyboard.next());
	}
}

---

Quote:

---

Originally Posted by dannyboi

public static void main (String [] args)
{
package javaapplication11;



public class HelloApp
{
static String helloMessage;

public static void main (String [] args)
{

helloMessage = "Hello, World !";
System.out.println(helloMessage);
}
}

---

You have two main methods, then your class identifier, that's why your error is being thrown.

Code java:

---

public class Random {
 
	public static void main(String[] args) {
		//Here's out string instance which we use in the system.out object
		String hello = "Hello!";
		System.out.println(hello);
	}
 
}

---

p.s: You don't need a static string for your helloMessage instance.