negative-number Archives

[Solved] What happens when bitwise AND is applied to negative numbers?

January 4, 2023 by Kirat

In C, in the result of the binary &, each bit depends on the two corresponding bits in the operands. If the bit in the same position is set (1) in both operands, it is set in the result. If it is clear (0) in either operand, it is clear in the result. For example, … Read more

[Solved] Why does Java and Javascript Math.round(-1.5) to -1?

September 3, 2022 by Kirat

Rounding mode to round towards negative infinity. If the result is positive, behave as for RoundingMode.DOWN; if negative, behave as for RoundingMode.UP. Note that this rounding mode never increases the calculated value. It is just matter of whole number and its position against number chart. From here you can see javadocs. public static int round(float … Read more