You can check if two strings are equal, by considering case or not considering the case, in your Java application. The equals() method compares two strings, and returns true if the strings are equal, and false if not.. Passing ‘null’ to method is allowed. Do not use '==' operator. The Java equals() method compares two string objects, the equality operator == compares two strings, and the compareTo() method returns the number difference between two strings. Use equals() method to check the equality of string contents. This method compares this string to the specified object. Java String Equals method is an instance method that allows comparing two string objects or literal for equality. It checks the object references, which is not not desirable in most cases. The second statement simply refers to the same area of memory as s1. Whereas equals() method takes a lot of statements before concluding that string is empty. It is much better to use Java’s utility method Objects.equals (or, if you’re not yet on Java 7, Guava’s Objects.equal): return Objects . There are three ways to compare string in java: "; String s2 = "CodeGym is the best website for learning Java! In this tutorial, we shall see how to check if two Strings are equal in Java using the method String.equals(String anotherString). So, str1.equals(str2) , str1.equals(str3), and str2.equals(str3) will all return true. Definition and Usage. The String Equals method is called on the String type object that has to be compared for equality. The first statement creates a new string in the string pool. Next Page . In Java, .equals() or similar methods are not at all synonymous with the != operator which will only tell you varA != varB if varA and varB are not pointing to the exact same object. It does reference check, typecasting if necessary, create temporary arrays and then use while loop also. String comparison is a crucial part of working with strings in Java. equals ( firstName , person . Java - String equals() Method. The equals() method: The equals method compares the text content or the value of two string variables.If both variables have exact same value, equals() will return true, otherwise it will return false. whether they are the same object or not. So, its lot of waste of CPU cycles to verify a simple condition. It is used in authentication (by equals() method), sorting (by compareTo() method), reference matching (by == operator) etc.. Use equalsIgnoreCase() method to check equal strings in case-insensitive manner. It will return false. To compare these strings in Java, we need to use the equals() method of the string. Java is a strongly typed language while JavaScript is very weakly typed, adding to its many differences. Java String equals() method example String s1 = "CodeGym is the best website for learning Java! And any String with length 0 is always going to be empty string. "; s2 points to the same place as s1. Java – Check if two Strings are Equal. Java String compare. The result is true if and only if the argument is not null and is a String object that represents the same sequence of characters as this object. We can compare string in java on the basis of content and reference. Advertisements. 2. You should not use == (equality operator) to compare these strings because they compare the reference of the string, i.e. This method returns 0 if two Strings are equal or if both are null, a negative number if the first String comes before the argument, and a number greater than zero if the first String comes after the argument String. Previous Page. Tip: Use the compareTo() method to compare two strings lexicographically. The compareTo() method returns an int type value and compares two Strings character by character lexicographically based on a dictionary or natural ordering.. Description. The string object to which the string has to be compared is passed as a parameter to the Equals …