How do you equal a long in Java?

Long. equals() method 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.

What is a long object Java?

The Long class wraps a value of the primitive type long in an object. An object of type Long contains a single field whose type is long . In addition, this class provides several methods for converting a long to a String and a String to a long , as well as other constants and methods useful when dealing with a long .

Can we use == to compare long in Java?

Long is a wrapper class for the primitive type long. Since they are objects and not primitive values, we need to compare the content of Long instances using . equals() instead of the reference comparison operator (==). In some cases, we may get the idea that == is okay, but looks are deceiving.

Can you compare long with ==?

Since you are using == to compare objects references instead of values, only cached objects will match. Either work with long unboxed primitive values or use . equals() to compare your Long objects. Why there is problem in comparing Long variable with value greater than 127?

Should I use long or long in Java?

A Long is a class, or a reference type, defined in the standard library. It stores a reference to an object containing a value (a “box”). A long on the other hand, is a primitive type and part of the language itself.

How many characters is a long Java?

Integer. MAX_VALUE is always 2147483647 (2^31 – 1), that’s part of the Java Specification.

Can we compare long with int in Java?

Yes, that’s fine.

How do you compare two primitive long values in Java?

In java:

1. the == operator tells you if the two operands are the same object (instance).
2. the . equals() method on Long tells you if they are equal in value.

Can we store long in int in Java?

You can cast a long to int so long as the number is less than 2147483647 without an error.

Can we use long int in Java?

int example long example If the number is greater than +- 2 billion (around) then use a Java long type variable. Both int and long types have wrappers classes in Java. The int has Integer and long has Long wrapper class.

Is Long same as long Java?

Can I compare long with int?

Yes, that’s fine. The int will be implicitly converted to a long , which can always be done without any loss of information.

Is Long a primitive type in Java?

Primitive Data Types. The eight primitives defined in Java are int, byte, short, long, float, double, boolean and char. These aren’t considered objects and represent raw values.