Class ObjectUtils


  • public class ObjectUtils
    extends java.lang.Object
    Some utility methods.
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private ObjectUtils()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean equals​(java.lang.Object obj1, java.lang.Object obj2)
      Returns true if the objects are equal or both null, and false otherwise.
      static int hashCode​(java.lang.Object obj)
      Returns the hash code for the object, or 0 if the object is null.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ObjectUtils

        private ObjectUtils()
    • Method Detail

      • equals

        public static boolean equals​(java.lang.Object obj1,
                                     java.lang.Object obj2)
        Returns true if the objects are equal or both null, and false otherwise. In Java 7, we could use the Objects class instead.
        Parameters:
        obj1 - object 1.
        obj2 - object 2.
        Returns:
        A boolean.
      • hashCode

        public static int hashCode​(java.lang.Object obj)
        Returns the hash code for the object, or 0 if the object is null. In Java 7, we could use the Objects class instead.
        Parameters:
        obj - the object (null permitted).
        Returns:
        The hash code or 0.