What is difference between == and equals () method in Java?

compareToIgnoreCase() compare two strings lexicographically or as per dictionary ordering. But equalsIgnoreCase() checks only if both strings are equal or not . The return value of compareToIgnoreCase() is an integer that represents if one string is equal, greater than or less than the other one.

Use equals() in Java to check for equality between two strings. Use equalsIgnoreCase() in Java to check for equality between two strings ignoring the case . String one = “qwerty”; String two = “Qwerty”; Both are equal, but the case is different.12 Ara 2018

In simple words, == checks if both objects point to the same memory location whereas . equals() evaluates to the comparison of values in the objects . If a class does not override the equals method, then by default, it uses the equals(Object o) method of the closest parent class that has overridden this method.

Second difference between equals and == operator is that == is used to check a reference or memory address of the objects whether they point to the same location or not, and the equals() method is used to compare the contents of the object e.g. in case of comparing String its characters, in case of Integer it’s their …