Converting double to integer in Java

To convert a double to an int in Java, you can use the intValue() method of the Double wrapper class. Here is an example:

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Double d = 123.45;
int i = d.intValue();

Alternatively, you can use type casting to convert a double to an int. Here is an example:

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double d = 123.45;
int i = (int) d;

Note that type casting a double to an int will cause any fractional part of the number to be truncated. For example, (int) 123.45 would yield 123, and (int) 123.99 would yield 123.

If you need to round the value instead of truncating it, you can use Math.round():

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double d = 123.45;
int i = (int) Math.round(d);