The equals method for class Object implements the most discriminating possible equivalence relation on objects ; that is, for any non-null reference values x and y, this method returns true if and only if x and y refer to the same object (x == y has the value true).
Read moreHow do you know if two objects are equal?
The equals() method of the Object class compare the equality of two objects . The two objects will be equal if they share the same memory address. Syntax: public boolean equals(Object obj)
Read moreWhat is an equals method?
Equals method checks to make sure that the obj argument is not null and that it references an instance of the same type as this object . If either check fails, the method returns false . The Point. Equals method calls the GetType method to determine whether the run-time types of the two objects are identical.
Read moreHow do I know if my POJO is empty?
The isEmpty() method of Properties class is used to check if this Properties object is empty or not. Returns: This method returns a boolean value stating if this Properties object is empty or not.
Read moreWhat’s the point of objects requireNonNull?
Null pointer exception is thrown when you access a member of an object which is null at a later point. Objects. requireNonNull() immediately checks the value and throws exception instantly without moving forward and making it easier to detect where the null exception actually occured .
Read moreWhat’s the point of objects requireNonNull?
Null pointer exception is thrown when you access a member of an object which is null at a later point. Objects. requireNonNull() immediately checks the value and throws exception instantly without moving forward and making it easier to detect where the null exception actually occured .
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