Java documentation for java.util.Arrays.equals(char[], int, int, char[], int, int). 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 Creative Commons 2.5 Attribution License. Applies to ...
Java documentation forjava.lang.Object.equals(java.lang.Object). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
Namespace: Java.Sql Assembly: Mono.Android.dll Tests to see if this Timestamp object is equal to the given Timestamp object. [Android.Runtime.Register("equals", "(Ljava/sql/Timestamp;)Z", "GetEquals_Ljava_sql_Timestamp_Handler")] public virtual bool Equals(Java.Sql.Timestamp? ts); ...
This is what the JDK 1.4 API documentation says about the hashCode method of Object class- Returns a hash code value for the object. This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable. The general contract of hashCode is: Whenever it is...
Convenience method for comparing the equality of two strings based on this Collator's collation rules.
Null returns false“All objects must be unequal to null.”This last rule is what Josh Bloch, author ofEffective Java, calls “Non-nullity”. When given a null as an equals method parameter, we should always return false and never throw aNullPointerException. ...
Java SE also defines a contract for the .hashCode()method. A thorough look at this contract reveals how closely related .hashCode()and .equals()are. All three criteria in the .hashCode()contract mention the .equals()method in some way: ...
* * @return Name of static 'constructor' method to generate (blank = generate a normal constructor). */ String staticConstructor() default ""; } 注释上写的: Equivalent to {@code @Getter @Setter @RequiredArgsConstructor @ToString @EqualsAndHashCode}.也就是说@Data等效于@code @Getter @Setter...
It is described in the documentation that comes with the Java platform libraries. Here is the contract as stated in the Java 2 Platform, Standard Edition, v 1.3.1 API Specification (see /JDOC/), to be looked up under Object.equals() : The equals method implements an equivalence relation...
Java hashCode() and equals() method are used in Hash table based implementations in java for storing and retrieving data. I have explained it in detail atHow HashMap works in java?The implementation of equals() and hashCode() should follow these rules. ...