Hi How can I change an array list to integer or double? this is my code and i want show answer like a number and i use it not just print it ...

How use Java printf to format int values It’s much easier to format an int with printf than a float or double, because decimal precision is not a concern. To use Java’s printf to format an int, long, ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs.

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