Integer.MAX_VALUE and Integer.MIN_VALUE in Java with Examples

Most of the times, in competitive programming, there is a need to assign the variable, the maximum or minimum value that data type can hold, but remembering such a large and precise number comes out to be a difficult job. Therefore, Java has constants to represent these numbers, so that these can be directly assigned to the variable without actually typing the whole number.

• Integer.MAX_VALUE
  Integer.MAX_VALUE is a constant in the Integer class of java.lang package that specifies that stores the maximum possible value for any integer variable in Java. The actual value of this is

  2^31-1 = 2147483647
  

  Example 1:

  
  

  
  
  

  // Java program to show // the value of Integer.MAX_VALUE    class GFG {        // Driver code     public static void main(String[] arg)     {            // Print the value of Integer.MAX_VALUE         System.out.println("Integer.MAX_VALUE = "                            + Integer.MAX_VALUE);     } }
  Output:

  Integer.MAX_VALUE = 2147483647
  

  Any integer variable cannot store any value beyond this limit. Upon doing so, the memory will overflow and the value will get negative.

  Example 2: Trying to initialize a variable value Integer.MAX_VALUE + 1

  
  

  
  
  

  // Java program to show what happens when // a value greater than Integer.MAX_VALUE // is stored in an int variable    class GFG {        // Driver code     public static void main(String[] arg)     {            try {                System.out.println(                 "Trying to initialize"                 + " a N with value"                 + " Integer.MAX_VALUE + 1");                // Try to store value Integer.MAX_VALUE + 1             int N = Integer.MAX_VALUE + 1;                // Print the value of N             System.out.println("N = " + N);         }         catch (Exception e) {             System.out.println(e);         }     } }
  Output:

  Trying to initialize a N with value Integer.MAX_VALUE + 1
  N = -2147483648
  

• Integer.MIN_VALUE
  Integer.MIN_VALUE is a constant in the Integer class of java.lang package that specifies that stores the minimum possible value for any integer variable in Java. The actual value of this is

  -2^31 = -2147483648
  

  Example 3:

  
  

  
  
  

  // Java program to show // the value of Integer.MIN_VALUE    class GFG {        // Driver code     public static void main(String[] arg)     {            // Print the value of Integer.MIN_VALUE         System.out.println("Integer.MIN_VALUE = "                            + Integer.MIN_VALUE);     } }
  Output:

  Integer.MIN_VALUE = -2147483648
  

  Any integer variable cannot store any value below this limit. Upon doing so, the memory will overflow and the value will get positive.

  Example 2: Trying to initialize a variable value Integer.MIN_VALUE – 1

  
  

  
  
  

  // Java program to show what happens when // a value less than Integer.MIN_VALUE // is stored in an int variable    class GFG {        // Driver code     public static void main(String[] arg)     {            try {                System.out.println(                 "Trying to initialize"                 + " a N with value"                 + " Integer.MIN_VALUE - 1");                // Try to store value Integer.MIN_VALUE - 1             int N = Integer.MIN_VALUE - 1;                // Print the value of N             System.out.println("N = " + N);         }         catch (Exception e) {             System.out.println(e);         }     } }
  Output:

  Trying to initialize a N with value Integer.MIN_VALUE - 1
  N = 2147483647