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Problem:

I am new to java programming. I was doing my coding practice. I wrote a code:

public class JavaHelloWorld {
	
	public static void main(String args[])
	{
		sayHello();
	}
	
	public void sayHello()
	{
		System.out.println("Hello world from java2blog");
	}

But the programm is not running instead it shows me a message:

can not make static reference to non static method sayHello 
form the type  JavaHelloWorld

Why am I getting this type of error message, Can anyone help?

10 7 2
6,050 points

1 Answer

0 votes

Answer:

The answer is very simple .you can not call something that does not exists . since you did not create an object called JavaHelloWorld , non static method sayHello () does not exists yet.. You have to create an object to do that:

public class JavaHelloWorld {
	
	public static void main(String args[])
	{
		JavaHelloWorld jhw=new JavaHelloWorld();
		jhw.sayHello();
	}
	
	public void sayHello()
	{
		System.out.println("Hello world");
	}
}

Also you can declare sayHello() method static:

public class JavaHelloWorld {
	
	public static void main(String args[])
	{
		sayHello();
	}
	
	public static void sayHello()
	{
		System.out.println("Hello world");
	}
}

 

11 6 4
34,930 points

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