ObjectUtils.defaultIfNull : ObjectUtils « Apache Common « Java Tutorial

1. Java Tutorial
2. Apache Common
3. ObjectUtils

import org.apache.commons.lang.ObjectUtils;

public class MainClass {
    public static void main(String[] args) {
        //Create ObjectUtilsTrial instance
        MyClass one = new MyClass();
        MyClass two = one; //Same Reference
        MyClass three = new MyClass(); //New Object
        MyClass four = null;

        //four is null, returns DEFAULT
        System.out.print("1) If null return DEFAULT >>>");
        System.out.println(ObjectUtils.defaultIfNull(four, "DEFAULT"));

    }

}

class MyClass{
    public String toString() {
        return "toString Output";
    }

}

1) If null return DEFAULT >>>DEFAULT

37.10.ObjectUtils
	37.10.1.	ObjectUtils.toString
	37.10.2.	ObjectUtils.identityToString
	37.10.3.	ObjectUtils.equals2
	37.10.4.	ObjectUtils.equals
	37.10.5.	ObjectUtils.defaultIfNull