java equals

equals() equalsIgnoreCase() String Example

Comparing Strings with equals() equalsIgnoreCase() String. First and foremost important operation on strings is to compare whether two strings are same or not. There are three styles which the programmer should be well aware of when to use what. The styles are Using logical equals to (==) Using equals() and…

Differences between Hashcode and Equals in Java

Hashcode Equals Both are methods of java.lang.Object class. Hashcode is an integer representation of the objects of an array, String and a DS. Hashcode increases the performance of comparing these three. For example. to compare two long strings with many number of characters, writing a for loop and comparing each…

Object comparison hashCode() vs equals() Java

hashCode() vs equals(): About Hash code hashCode() is a method of Object class. Hash code is an integer representation of an object by JVM. Hash code is system generated using some formula (let us not go much of detais of formula). Hash codes generated need not be the same for…