This class contains two methods related to array comparison equals() and deepEquals(), both are overloaded to accept all primitive arrays and one version for accepting Object array. We need to use the equals(int[], int[]) method to compare our integer arrays, as shown below. As you can see, I have defined 3 integer arrays, each of the same size
The java.lang.Long.equals () is a built-in function in java that compares this object to the specified object. The result is true if and only if the argument is not null and is a Long object that contains the same long value as this object. It returns false if both the objects are not same. In all other cases, compareTo method should be preferred.
String.length () method. The J ava String length () method is a method that is applicable to string objects. The length () method returns the number of characters present in the string. The length () method is suitable for string objects but not for arrays. The length () method can also be used for StringBuilder and StringBuffer classes.
You'll want to override the hashCode() and equals() method. If you're using Eclipse, you can have Eclipse do this for you by going to Source -> Generate hashCode() and equals().. . After you override these methods, you can call:
The equals() methods in the provided implementations are identical. They use instanceof to test whether the object is an instance of the specified type (class, subclass, or interface). However Solution 3: Java String comparison with the 'compareTo' method. There is also a third, less common way to compare Java strings, and that's with the String class compareTo method. If the two strings are exactly the same, the compareTo method will return a value of 0 (zero). Here's a quick example of what this string comparison approach looks b74PB. 366 347 395 343 204 6 83 48 165

how to test equals method in java