Which of the Following Is Are Integral Data Type in Java?


Larry Thompson

When working with data in Java, it is important to understand the different types of data that can be used. One category of data types in Java is the integral data type.

Integral data types are used to represent whole numbers without any fractional or decimal parts. They are essential for performing arithmetic operations and representing quantities that can only be expressed as whole numbers.

Types of Integral Data Types

In Java, there are four integral data types. These include:

  • byte: The byte data type is an 8-bit signed two’s complement integer. It has a range of -128 to 127.
  • short: The short data type is a 16-bit signed two’s complement integer.

    It has a range of -32,768 to 32,767.

  • int: The int data type is a 32-bit signed two’s complement integer. It has a range of -2,147,483,648 to 2,147,483,647.
  • long: The long data type is a 64-bit signed two’s complement integer. It has a range of -9,223,372,036,854,775,808 to 9,223,372,036,854775807.

Determining the Appropriate Integral Data Type to Use

When choosing which integral data type to use in your Java program, it is important to consider the range and precision required for your calculations or variable storage. If you’re dealing with smaller values or limited memory resources, you can use byte or short.

For most general purposes, the int type is sufficient. However, if you’re dealing with larger values, you may need to use the long type.

Example Usage of Integral Data Types

Let’s see an example of how integral data types can be used in Java:

public class Example {
  public static void main(String[] args) {
    int a = 10;
    long b = 10000000000L;
    int sum = a + (int) b; // Casting long to int
    System.out.println("Sum: " + sum);

In the above example, we declare an int variable a and a long variable b. We then add these two variables together, casting the b variable to an int. Finally, we output the result which is the sum of a and the casted value of b.

In Conclusion..

The integral data types in Java are essential for working with whole numbers. With their varying ranges and precision levels, you can choose the appropriate integral data type based on your specific needs. Remember to consider the range and precision requirements of your program to ensure accurate calculations and efficient memory usage.

I hope this article has provided you with a clear understanding of integral data types in Java. Happy coding!

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