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How to convert String to Int in Java?

In Java, a number stored in a string can be used to do longest operations in easiest way such as removing duplicates etc. Also String has the capacity to store big integers also. But in some cases it will be useful if you know about type conversion between all data types. Here in this topic we are going to learn about the conversion of number stored in a string to integer in java. Also, along with that method explanation, there is a final code at end which contains both method conversion. A string can be converted int in Java in following ways. parseInt(String s)   The characters in string must be decimal digits excepts character at 0. At 0, it can be ASCII '- or +' to indicate sign of numbers. public static int parseInt (String s) throws NumberFormatException Parameters s - which is of type string containing digits Returns Returns the number of Integer type Exception Throws NumberFormatException , if the string does not contain parsable Integers val...