Table of Contents
- 1 Why does Java have different types and sizes for integers and floating point numbers?
- 2 What is size of integer in C?
- 3 Why the size of all data types in Java on all platform and all architecture is same?
- 4 How can I define different sizes of an integer?
- 5 What is the size of integer?
- 6 What is the difference between C language and Java?
- 7 What is the size of an int in C programming?
- 8 What is the size of an integer in bytes?
Why does Java have different types and sizes for integers and floating point numbers?
In addition to HorusKol’s answer: ‘float’ and ‘integer’ types are inherently different. Floats can hold very large numbers, but as the size of the number goes up, the precision goes down. This imprecision is because of the way floats are stored.
What is the size of integer in Java programming?
32 bits
Discussion
Language | Reserved Word | Size |
---|---|---|
Java | short | 16 bits / 2 bytes |
Java | int | 32 bits / 4 bytes |
Java | long | 64 bits / 8 bytes |
JavaScript | N/A |
What is size of integer in C?
This is one of the points in C that can be confusing at first, but the C standard only specifies a minimum range for integer types that is guaranteed to be supported. int is guaranteed to be able to hold -32767 to 32767, which requires 16 bits. In that case, int , is 2 bytes.
What is the size of an int integer in Java *?
Also known as an integer, int type holds a wide range of non-fractional number values. Specifically, Java stores it using 32 bits of memory. In other words, it can represent values from -2,147,483,648 (-231) to 2,147,483,647 (231-1).
Why the size of all data types in Java on all platform and all architecture is same?
“There is a difference, because Java contains fixed sized data types, while all basic data types in C and C++ depend on the actual platform (machine architecture + operating system) the program is compiled for.” Thanks for your answer.
Why does Java have different data types?
Java developers included these data types to maintain the portability of java as the size of these primitive data types do not change from one operating system to another. byte, short, int and long data types are used for storing whole numbers.
How can I define different sizes of an integer?
2 Answers
- char is the smallest memory unit and has at least 8 bits – all other types have a size that is a multiple of the size of char.
- short has at least 16 bits.
- int is at least as large as short and has at least 16 bits.
- long is at least as large as int and has as least 32 bits.
What is the size of an integer and who determines the size of an integer?
Since int in an integer type variable. So, the sizeof(int) simply implies the value of size of an integer. Whether it is a 32-bit Machine or 64-bit machine, sizeof(int) will always return a value 4 as the size of an integer.
What is the size of integer?
Integer Types
Type | Storage size | Value range |
---|---|---|
int | 2 or 4 bytes | -32,768 to 32,767 or -2,147,483,648 to 2,147,483,647 |
unsigned int | 2 or 4 bytes | 0 to 65,535 or 0 to 4,294,967,295 |
short | 2 bytes | -32,768 to 32,767 |
unsigned short | 2 bytes | 0 to 65,535 |
What is size of integer in Java programming Mcq?
Explanation: The size of integer in Java Programming is 4 Bytes.
What is the difference between C language and Java?
Java is Object-Oriented language. C is more procedure-oriented. C is a middle-level language because binding of the gaps takes place between machine level language and high-level languages. Java is a high-level language because translation of code takes place into machine language using compiler or interpreter.
What is the difference between int and integer in Java?
Java Int vs Integer. However, very different things are going on under the covers here. An int is a number; an > Integer is a pointer that can reference an object that contains a number. An int is not an object and cannot passed to any method that requires objects.
What is the size of an int in C programming?
In C,the language itself does not determine the representation of certain datatypes. It can vary from machine to machine, on embedded systems the intcan be 16 bit wide, though usually it is 32 bit. The only requirement is that short int<= int<= long intby size.
How many bits in an int variable?
There are no guarantees that an ‘int’ will be 32 bits, if you want to use variables of a specific size, particularly when writing code that involves bit manipulations, you should use the ‘Standard Integer Types’.
What is the size of an integer in bytes?
Nowadays, it’s most often 4 bytes on a 32-bit as well as 64-bit systems. Still, using sizeof (int) is the best way to get the size of an integer for the specific system the program is executed on. EDIT: Fixed wrong statement that int is 8 bytes on most 64-bit systems.