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Summary

Summary Java full course

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This helps for students studying Java

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  • March 24, 2024
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  • 2023/2024
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Adding a Main Method
In order to run our code, we must have a main method
within the class. We can generate this method by checking
the "public static void main" checkbox when creating the
class. If we accidentally remove the method, we can
simply type it in ourselves: public static void
main(String[] args) { } . Any code within this method
will execute when we run the program.

Printing to the Console Window
To print text to the console window, we can use
the System.out.print or System.out.println methods
. To display text within double quotes, we must use an
escape sequence for the quotes: \" . Similarly, to display
a backslash, we must use \\ . We can also use escape
sequences such as \n for a new line character or \t for
a tab character.

Comments and Multiline Comments
Comments are text within the code that are ignored by the
compiler. They can be used to leave notes for ourselves or
others who may be looking at our code. Single line
comments begin with // and multiline comments are
enclosed within /* */ .

Tips and Tricks
Changing the IDE Color Scheme
To change the color scheme of your IDE, go to Window >
Preferences > General > Appearance > Theme and
select the desired theme. The dark theme is a popular
choice among programmers.

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