I am using this blog post to build upon these examples to demonstrate the utility of Java 7’s Objects.equals (Object, Object) method and will demonstrate the usefulness of Objects.hash (Object ...

Identity and equality affect how objects behave in collections, such as sets, maps, and lists, which rely on the hashCode and equals methods to determine object uniqueness, membership, and ordering.

If you are fortunate enough to be using JDK 7 , the newly available Objects class is the obvious ( at least to me ) choice for implementing the "common" Java object methods such as equals (Object ...

Challenge of JavaIsland: OOP, Polymorphism. Contribute to ByteLegendQuest/java-object-equals development by creating an account on GitHub.

java.lang.NullPointerException: Cannot invoke "Object.equals(Object)" because the return value of "com.intellij.util.xml.GenericAttributeValue.getValue()" is null ...