Both, Contains and Equals are using string comparison. Since your Key is of type string, Contains will check if the passed parameter is part of the key, whereas Equals compares the complete string for equality .
Read moreWhat is the equalsIgnoreCase method?
The equalsIgnoreCase() method compares two strings, ignoring lower case and upper case differences . This method returns true if the strings are equal, and false if not. Tip: Use the compareToIgnoreCase() method to compare two strings lexicographically, ignoring case differences.
Read moreWhat is compareTo method?
The compareTo method compares the current object with the object sent as a parameter . When implementing it, we need to make sure that the method returns: A positive integer, if the current object is greater than the parameter object. A negative integer, if the current object is less than the parameter object.
Read moreWhat will equalsIgnoreCase do while compare two strings?
The equalsIgnoreCase() method compares two strings, ignoring lower case and upper case differences. This method returns true if the strings are equal, and false if not . Tip: Use the compareToIgnoreCase() method to compare two strings lexicographically, ignoring case differences.
Read moreWhat does equals () mean in Java?
The equals() method compares two strings, and returns true if the strings are equal, and false if not .
Read moreWhat is the difference between == and equals () C#?
Difference between == and . Equals method in c# The Equality Operator ( ==) is the comparison operator and the Equals() method in C# is used to compare the content of a string . The Equals() method compares only content.
Read moreWhat is the difference between equals () and equalsIgnoreCase () methods?
The only difference between them is that the equals() methods considers the case while equalsIgnoreCase() methods ignores the case during comparison . For e.g. The equals() method would return false if we compare the strings “TEXT” and “text” however equalsIgnoreCase() would return true.
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