![]() ![]() Assertions.assertThrows(NumberFormatException. If the string cannot be parsed as a long, it throws NumberFormatException. This is a static method of Math class of java. Long value2 = Long.valueOf(negativeNumber) //-22002L Here, we can use the built-in Math class method which is Math.toIntExac() to convert a long to an int in Java. Long value1 = Long.valueOf(positiveNumber) //12001L In the following example, we convert one positive and one negative number to a long value. The Integer.parseInt () function parses the string argument as a signed decimal integer. Use Integer.parseInt () method This is the most simple method to convert a String to an integer. When you pass a long into the valueOf string method, it converts the long to. There are certain methods to convert a String to an Int in Java as mentioned below: 1. The valueOf() method accepts an integer as an argument and returns a Long. The result long value is exactly the same as the string argument in base 10. The valueOf String method in Java can hava many different types passed into it. We can convert int to Long using the valueOf() method of the Long Wrapper class. The characters in the string must all be decimal digits, except that the first character may be a minus (-) sign for negative numbers and a plus(+) sign for positive numbers. Similar to parseLong(String) method, this method also allows minus - as a first character in the String. Join our newsletter for the latest updates. The Long.valueOf() method parses the input string to a signed decimal long type. valueOf(String): Converts the String to a long value. In this program, we will learn to convert integer (int) variables into the long variables in Java. ![]() ![]() Long value1 = Long.parseLong( number, 10 ) Learn to convert a String to Long type in Java using Long.parseLong(String), Long.valueOf(String) methods and new Long(String) constructor. ![]()
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