What will this statement return 3*0.1 == 0.3? true or false?

By | August 22, 2019

In this post we will discuss about one of the basic  java interview question and question is that What will this statement return 3*0.1 == 0.3? true or false?

This is one of the really most tricky interview question in java. Only few developers answer this question and explain the concept correctly. The very short and crispy answer is false because some floating-point numbers cannot be represented exactly.

Let’s understand above concept using an example

Sample Output

d1 = 0.30000000000000004
d2 = 0.3
false
d3 = 100.0
d4 = 100.0
true

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