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Why does BlueJ give number format exception?

Updated: 10/23/2022
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Shaggy7

Lvl 1
13y ago

Best Answer

A NumberFormatException is used to show that you've attempted to convert a String to a number, but the String was not formatted correctly.

Examples:

// This line is perfectly valid, since "123" represents a number.

int a = Integer.parseInt("123");

// This line will throw a NumberFormatException, since "123abc" is not a number.

int b = Integer.parseInt("123abc");

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