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Eclipse Cookbook
book

Eclipse Cookbook

by Steve Holzner
June 2004
Beginner to intermediate content levelBeginner to intermediate
364 pages
7h 38m
English
O'Reilly Media, Inc.
Content preview from Eclipse Cookbook

3.14. Creating a Constructor

Problem

You want Eclipse to add a constructor to a class, including a call to the superclass’s constructor.

Solution

Select Source Add Constructor from Superclass.

Discussion

For example, if you have this code:

public class DisplayApp {

    static String text = "No problem.";
    
    public static void main(String[] args)
    {
        System.out.println(text);
    }
}

and you select Source Add Constructor from Superclass, Eclipse will give you this:

public class DisplayApp {

    static String text = "No problem.";
    
    /**
     * 
     */
    public DisplayApp( ) {
               super( );
               // TODO Auto-generated constructor stub
               }

    public static void main(String[] args)
    {
        System.out.println(text);
    }
}

Tip

You also can create constructors automatically when you create a class.

Eclipse 3.0

In Eclipse 3.0, you can create a constructor that will assign values to one or more fields. Select Source Generate Constructor using Fields, opening the dialog shown in Figure 3-15.

Creating a constructor that will fill fields

Figure 3-15. Creating a constructor that will fill fields

Selecting the two String fields, text and message, creates this constructor:

public DisplayApp(String text, String message) {
    super( );
    this.text = text;
    this.message = message;
}

See Also

Chapter 2 of Eclipse (O’Reilly).

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