Unknown Character Or Set Of Characters. - Java | Dream.In.Code

Example

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5 Replies - 0 Views - Last Post: 27 minutes ago Rate Topic:

#1 Plutog ?

Reputation: 0

• Posts: 5
• Joined: 03-April 13

Posted 58 minutes ago

I have been using Java for Dummies to learn the basics of Java programming, and ran into an issue.

import javax.swing.JOptionPane;  public class Greeter  { 	public void sayHello() 	{ 		JOptionPane.showMessageDialogue(null, 				<<Hello, World!>>, <<Greeter>>, 				JOptionPane.INFORMATION_MESSAGE) ; 	} } 

I got an error on line 8. A red underline under most of it.

In the book, the code looks the same but the double caret things look more condensed. Is that special syntax for Java? Is it one character, or two less/greater than symbols?

This specifically "<<" and ">>" around words.

Thanks.

Is This A Good Question/Topic? 0

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Replies To: Unknown character or set of characters.

#2 Flukeshot ?

Reputation: 138

• Posts: 414
• Joined: 14-November 12

Re: Unknown character or set of characters.

Posted 55 minutes ago

It should be quotes. (") All String values should be contained within "quotes".

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#3 Plutog ?

Reputation: 0

• Posts: 5
• Joined: 03-April 13

Re: Unknown character or set of characters.

Posted 51 minutes ago

Flukeshot, on 10 June 2013 - 06:29 PM, said:

It should be quotes. (") All String values should be contained within "quotes".

That fixed that line, but now the line above it, line 7, has the term "showMessageDialogue" underlined red.

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#4 Flukeshot ?

Reputation: 138

• Posts: 414
• Joined: 14-November 12

Re: Unknown character or set of characters.

Posted 39 minutes ago

That should be showMessageDialogue.

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#5 Plutog ?

Reputation: 0

• Posts: 5
• Joined: 03-April 13

Re: Unknown character or set of characters.

Posted 34 minutes ago

Flukeshot, on 10 June 2013 - 06:44 PM, said:

That should be showMessageDialogue.

Wow... Thanks a lot. Stupid mistake of mine

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#6 Flukeshot ?

Reputation: 138

• Posts: 414
• Joined: 14-November 12

Re: Unknown character or set of characters.

Posted 27 minutes ago

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