Let’s take a scenario in a Java program where after performing specific operations on an int variable, the result obtained as an integer value is required to be passed to some text field/text area field on the web page. The requirement to write a Java program for converting an integer to a String arises in many scenarios while developing any application or website. Why is the conversion of int to String needed in Java? In Java, it is possible to convert a string variable to a numeric value and a numeric value into a string variable. Java permits the conversion of values from one data type to another under certain conditions. However, this can be made easy by converting an integer to a string. If there is a requirement for concatenation of two integers or finding out if an integer contains a digit or not, then this can be a difficult task if using only numeric operations. It is a specialty of a string that can perform many operations like concatenation, finding a substring, etc., but it doesn’t happen in the case of an integer.
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