it is concatenating two strings “300” and “200” and printing “300200”. So, in c = a+b Java is concatenating String a and b i.e. The answer to this is, when we did a+b, it is using the ‘+’ operator as concatenation. What could be the reason for printing this output? ("Variable c Value ->"+c) //Expected output as 500īut, in the above program, the actual output printed on the console is Add variable value a and b and assign to c When we print ‘c’, we are expecting the output on a console as “500”. Here, we are trying to add 2 numbers “300” and “200” and assign them to variable ‘c’. Let’s understand this with the help of a sample code. These values are retrieved as text from your webpage as “300” and “200” and we want to perform an arithmetic operation on these numbers. In such a scenario, we have to first convert this String to retrieve numbers in an integer format.įor Example, let’s consider a scenario where we want to add 2 numbers. Let’s say the number is being retrieved as a text that is coming from the text field of a webpage or a text area of a web page. Let’s consider a scenario, where we have to perform some kind of arithmetic operation on a number, but this number value is available in the form of a String. FAQs About Converting String To Int In Java.Integer.parseInt() Method For String With Leading Zeros.Integer.parseInt() Method For String With Signs.Integer.parseInt() Method For String Without Signs.#1) Using Java Integer.parseInt() Method.
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