What is Integer.MIN_VALUE in Java?

Example of Integer.MIN_VALUE in Java

Implementation 1 

• Java

Java

class CN { 
  
    // Driver code 
    public static void main(String[] arg) 
    {  
        System.out.println("Integer.MIN_VALUE = " + Integer.MIN_VALUE); 
    } 
}

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Output:

Implementation 2 

• Java

Java

class CN { 
  
    // Driver code 
    public static void main(String[] arg) 
    { 
  
        try { 
            System.out.println("Trying to initialize" + " a Num with value" + " Integer.MIN_VALUE - 1"); 
  
            // Try to store value Integer.MIN_VALUE - 1 
            int Num = Integer.MIN_VALUE - 1; 
  
            // Print the value of Num 
            System.out.println("Num = " + Num); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

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Output:

What is Integer.MAX_VALUE in Java?

Integer.MAX_VALUE is a constant in Java that represents the maximum value an int type can hold, which is 2^31 - 1 or 2,147,483,647. It is a predefined constant in the Integer class and is often used to limit or check the bounds of integer values in programs.

1. Using Integer.MAX_VALUE to find the largest possible integer

• Java

Java

public class MaxValueExample {
    public static void main(String[] args) {
        System.out.println("The maximum value of an integer in Java is: " + Integer.MAX_VALUE);
    }
}

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Output:

The maximum value of an integer in Java is: 2147483647

2. Handling Overflow with Integer.MAX_VALUE

• Java

Java

public class OverflowExample {
    public static void main(String[] args) {
        int max = Integer.MAX_VALUE;
        System.out.println("Max value: " + max);
        
        // Adding 1 to MAX_VALUE causes overflow
        int overflow = max + 1;
        System.out.println("Overflow result: " + overflow);  // It wraps around to the negative side
    }
}

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Output:

Max value: 2147483647
Overflow result: -2147483648

Frequently Asked Questions

How to find the minimum value of int in Java?

To get the smallest possible value for a 32-bit signed integer in Java, use Integer.MIN_VALUE. This constant returns −2,147,483,648.

What is the integer min value in Java 32-bit?

In Java, the minimum value of a 32-bit signed integer (int) is -2,147,483,648. The constant Integer defines this.MIN_VALUE in the Integer class is due to the way integers are represented in 32-bit binary.

What is the use of the integer MAX_VALUE in Java?

Integer max_value is the maximum positive integer value stored in 32 bits. The actual value of integer max_value in Java is 2147483647.

What is the largest Integer in Java?

The integer type in Java can depict any whole number from -2147483648 to 2147483647.

What is long MAX_VALUE?

The long MAX_VALUE is a constant from the package java.lang and is used to contain the max possible value for any long variable in Java.

What does double parseDouble mean in Java?

The parseDouble() function in the Java Doube class is a built-in method that returns a new double initialized to the value depicted by the specified string.

Conclusion

Integer.MIN_VALUE in Java represents the smallest value an int can hold, which is -2^31 or -2,147,483,648. Understanding its significance is crucial for handling boundary conditions, overflow, and underflow when working with integer values. In this article, we have discussed Integer min_value in Java. We started with introducing Java, then what integers are, and some examples.

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