Just slightly changed few quantity mistakes a heap of,,,,
CodePudding user response:
O do automatic import
CTRL - shift - o
CodePudding user response:
The speculation also can't so the
to omit part of the code that you are copying, and the path of the package
CodePudding user response:
In front of the first to understand the knowledge
CodePudding user response:
Move the mouse to the red, see error, but this kind of situation, mostly not package
CodePudding user response:
Mostly not guide packages, and ellipses to copying is what operation? Ellipsis mean let you write business code, such as the output, not a part of the code,
CodePudding user response:
reference 5 floor aw277866304 reply: mostly not guide package, and ellipses to copying is what operation? Ellipsis mean let you write business code, such as the output, not a part of the code, CodePudding user response:
The code in this book is only part of it to speak, like rely on the introduction of pom file, import package, basic didn't in the book CodePudding user response:
refer to 7th floor royal dragon's reply: the code in this book is only part of it to speak, like rely on the introduction of pom file, import package, basic in the book are not CodePudding user response:
The mouse moved to the wrong place, the guide package,,, the book could not have even the package printing in CodePudding user response:
Class name is announced,,, environment and the package without the book CodePudding user response:
You don't import packages CodePudding user response:
You have no... CodePudding user response:
Write not good, since it is faced with a beginner, you should write the guide package statement also in, beginners, after all, what all don't understand, CodePudding user response:
Advice around the w3c or novice tutorial first CodePudding user response:
This part can not learn, few are written in the Java application of this window CodePudding user response:
Come on you are quick to more and more skilled CodePudding user response:
How do you know JDialog did not even, the import procedure is what CodePudding user response:
This example is cumulative, that is to say you from the beginning to the back, front at the beginning of the code, may be behind example used in, so sometimes you can't see him alone that a example of the code CodePudding user response:
What, like food than I am CodePudding user response:
My resources there are a lot of Java swing applications can be downloaded, such as https://download.csdn.net/download/weixin_43647259/12495327, welcome to download CodePudding user response:
The book all right, not necessarily proofreading people don't understand the technology, only the grammar and spelling, CodePudding user response:
From scratch, step by step, CodePudding user response:
Change book, but you copy like this, did not even understand the basic concept of Java... What packages, classes, I suggest that multiple classes don't write in a file CodePudding user response:
Ran road from entry into the pail CodePudding user response:
According to the theory of book, code words suggest direct access to the Internet to find, CodePudding user response:
refer to the second floor bug benevolence reply: the speculation also can't so the copy not exactly how to call? CodePudding user response:
Automatic import know CodePudding user response:
This dish was either,,,, 
to omit part of the code that you are copying, and the path of the package