If the string contains non-numeric characters or is not a valid integer representation, it will throw a NumberFormatException, so it's essential to handle this exception when using the parseInt() method. This method takes a string as input and returns the corresponding integer value. You can convert a string to an int using the Integer.parseInt() method. In certain scenarios, when the String which is being converted to int does not contain a parsable integer, then the NumberFormatException is thrown. This method is commonly used when you need to perform arithmetic operations or assign the integer value to a variable of primitive type.The return type is int, which is a primitive data type.Returns an int primitive value that represents the parsed integer. String myString '1234' int foo Integer.This method is useful when you need to perform operations that require an Integer object, such as storing the result in a collection or passing it as an argument to a method that expects an Integer.If the radix is smaller than Character.MINRADIX or larger.
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