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1. www.w3schools.com › java › java_data_types_numbersJava Numbers - W3Schools

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   Numbers. Primitive number types are divided into two groups: Integer types stores whole numbers, positive or negative (such as 123 or -456), without decimals. Valid types are byte, short, int and long. Which type you should use, depends on the numeric value.

2. www.baeldung.com › java-negating-integerConvert Positive Integer to Negative and Vice Versa in Java

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   Jan 9, 2024 · Using the Unary Minus Operator. The most straightforward approach to negate an integer is using the unary minus operator (–). It simply changes the sign of the given integer: int x = 42; assertEquals(- 42, -x); int z = 0; assertEquals(0, -z); int n = - 42; assertEquals(42, -n);

   • Author: Kai Yuan

3. stackoverflow.com › questions › 4403542How does java do modulus calculations with negative numbers?

   stackoverflow.com › questions › 4403542

   Dec 9, 2010 · If you want to get a negative number for negative inputs then you can use this: int r = x % n; if (r > 0 && x < 0) { r -= n; } Likewise if you were using a language that returns a negative number on a negative input and you would prefer positive: int r = x % n; if (r < 0) { r += n; }

4. www.baeldung.com › modulo-javaThe Modulo Operator in Java - Baeldung

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   Aug 22, 2024 · In cases where the dividend is negative, Java returns a negative remainder: @Test public void whenDividendIsNegativeAndModulusIs2_thenResultIsNegative() { assertEquals(-1, -9 % 2); } However, a negative remainder isn’t always the desired result.

5. www.geeksforgeeks.org › modulus-on-negative-numbersModulus on Negative Numbers - GeeksforGeeks

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   Jul 2, 2024 · Modulus on Negative Numbers. Last Updated : 02 Jul, 2024. The modulus operator, denoted as %, returns the remainder when one number (the dividend) is divided by another number (the divisor).

6. www.baeldung.com › java-check-number-positive-negativeCheck if a Number Is Positive or Negative in Java | Baeldung

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   Jan 8, 2024 · We’ve seen how to check if a number is positive or negative using the < and the > operators. Alternatively, we can use the signum() method to get the sign of the given number. For Integer and Long numbers, we can call the Integer.signum() and Long.signum() methods.

7. People also ask

   How to get a negative number for negative inputs in Java?

   • If you want to get a negative number for negative inputs then you can use this: r -= n; Likewise if you were using a language that returns a negative number on a negative input and you would prefer positive: r += n; This doesn't work good if n is negative. If you user same example from Java 7 Lang Spec (Section 15.17.3): (-5) % (-3) = -2.

   How does java do modulus calculations with negative numbers?

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   How to convert negative number to positive number?

   • Alternatively: To convert negative number to positive number (this is called absolute value), uses Math.abs (). This Math.abs () method is work like this “number = (number < 0 ? -number : number);". In below example, Math.abs(-1) will convert the negative number 1 to positive 1.

   java - Make a negative number positive - Stack Overflow

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   What happens if we negate integer value in Java?

   • We know Java’s integer type is a signed 32-bit type with a range from -2147483648 to 2147483647. If we negate Integer.MAX_VALUE, the result – 2147483647 is still in the range. But, if we negate Integer.MIN_VALUE, we should get 2147483648, which is greater than Integer.MAX_VALUE. Therefore, in this edge case, an overflow error occurs.

   Convert Positive Integer to Negative and Vice Versa in Java

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   What happens if you negate an integer?

   • Introduction to the Problem Negating an integer involves changing its sign from positive to negative or vice versa. For example, given an int 42, after negating it, we expect to get -42 as the result. We shouldn’t forget the number 0 is neither positive nor negative. Therefore, the result of negating 0 should be 0, too.

   Convert Positive Integer to Negative and Vice Versa in Java

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   How do you negate a value in Java?

   • There are 2 ways you can negate a value: Both are actually two sides of the same coin. It's just that you usually don't remember that value = (-value); is actually value = 1 * (-value);. Well, as for how you actually do it in Java, it's very simple, because Java already provides a function for that, in the Math class: value = Math.abs(value);

   java - Make a negative number positive - Stack Overflow

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   How do you write a negative modulo in Java?

   • In Java negative modulo does not change anything, if you use an Abs () anyway, just write r = x % abs (n). I don't like if statement, I'd rather write r = ( (x%n) + n) % n. Concerning power of 2 modulo (2,4,8,16,etc..) and positive answer, consider binary mask r = x & 63.

   How does java do modulus calculations with negative numbers?

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8. blog.newtum.com › positive-negative-number-javaPositive or Negative Number in Java: Learn How to Check in Java

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   Jul 17, 2024 · A negative number is any number less than zero. For example, -3, -7.5, and -1 are negative numbers. Basic Approach to Determine Positive or Negative Numbers in Java. To determine if a number is positive or negative in Java, you can use the if-else statement.