Replace constructor with factory method

Last modified: 23 July 2024

| Replace constructor with factory method

This refactoring is available only as an intention action.

The Replace Constructor With Factory Method refactoring lets you hide a constructor and replace it with a static method which returns a new instance of a class.

Example

Before

After

// File Class.java
public class Class {
    public Class(String s) {
        ...
    }
}

// File AnotherClass.java
public class AnotherClass {
    public void method() {
        Class aClass = new Class("string");
    }
}
// File Class.java
public class Class {
    private Class(String s) {
        ...
    }
    public static Class createClass(String s) {
        return new Class(s);
    }
}

// File AnotherClass.java
public class AnotherClass {
    public void method() {
        Class aClass = Class.createClass("string");
    }
}

See also

Refactoring