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Scala FAQ: What are the Scala data types? How many bits do they use to store their data, and what is the range of those data types?

Java String to number FAQ: How do I convert a String to a number in Java?

You convert a Java String to a number using the methods of the class whose type you want to convert to. For instance, if you want to try to convert a String to an int, you use the parseInt() method of the Java Integer class, like this: 

Java String to int FAQ: How do I convert a String to an int data type in Java?

Answer: You convert a String to an int using the parseInt method of the Java Integer class. The parseInt method converts the String to an int, and throws a NumberFormatException when the String can't be converted to an int type.

Let's take a look at two short examples.