How to Override equals() Method in Java?We override equals() method in Java to check if two objects are equal. Before overriding equals() method in Java, first let's see when two objects are considered to be equal. Two objects are considered to be equal when they are identical (contain...
As you can see the Guava version is shorter and avoids superfluous helper objects. In case of equals, it even allows for short-circuiting the evaluation if an earlier Object.equal() call returns false (to be fair: commons / lang has an ObjectUtils.equals(obj1, obj2) method with identica...
译者注:你可能会觉得Java很简单,Object的equals实现也会非常简单,但是事实并不是你想象的这样,耐心的读完本文,你会发现你对Java了解的是如此的少。如果这篇文章是一份Java程序员的入职笔试,那么不知道有多少人会掉落到这样的陷阱中。原文转自http://www.artima.com/lejava/articles/equality.html三位作者都是不同...
Theequals()method compares two strings, and returns true if the strings are equal, and false if not. Tip:Use thecompareTo()method to compare two strings lexicographically. Syntax publicbooleanequals(ObjectanotherObject) Parameter Values ParameterDescription ...
ComparesthisBigDecimalwiththe specified Objectforequality.Unlike compareTo,thismethod considers two BigDecimal objects equal onlyifthey are equalinvalue andscale(thus2.0is not equal to2.00when compared bythismethod) 大概意思就是,equals方法和compareTo并不一样,equals方法会比较两部分内容,分别是值(value)和...
the reference object with which to compare. Returns Boolean trueif this object is the same as the obj argument;falseotherwise. Attributes RegisterAttribute Remarks Indicates whether some other object is "equal to" this one. Theequalsmethod implements an equivalence relation on non-null object referen...
* {@code BigDecimal} objects equal only if they are equal in * value and scale (thus 2.0 is not equal to 2.00 when compared by * this method). * * @param x {@code Object} to which this {@code BigDecimal} is * to be compared. ...
public bool Equals(Java.Interop.JniArgumentValue other); Parameters other JniArgumentValue Returns Boolean Implements Equals(T) Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the C...
Equals Method Reference Feedback DefinitionNamespace: Java.Util Assembly: Mono.Android.dll Overloads展開資料表 Equals(Byte[], Int32, Int32, Byte[], Int32, Int32) Returns true if the two specified arrays of bytes, over the specified ranges, are equal to one another. Equals(Char[], ...
It is much better to use Java’s utility methodObjects.equals(or, if you’re not yet on Java 7, Guava’sObjects.equal): returnObjects.equals(firstName,person.firstName)&&Objects.equals(lastName,person.lastName); It does exactly the same checks but is much more readable. ...