What is the value of 1/2 in Java?

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It’s because of the data type. When you do 1/2 that is integer division because two operands are integers, hence it resolves to zero (0.5 rounded down to zero). If you convert any one of them to double, you’ll get a double result. 1 and 2 are both integers, so 1 / 2 == 0 .

What is the meaning of I 2 == 0 in Java?

It checks if i is even: \% gets you the remainder of the division between the two numbers, in this case, i divided by 2, then the if statement check whether that remainder is 0. By definition, if a number divided by 2 has remainder equals to 0, that number is even.

What does i 2 === 0 mean?

i\%2 gives the remainder obtained when i is divided by 2. So the expression stands true if the remainder of i when divided by 2 is not 0. Therefore, the expression stands true for all odd numbers because any odd number when divides with 2, leaves a remainder of 1. 29th March 2020, 2:01 AM.

What does += mean in Java?

Java += operator += is compound addition assignment operator which adds value of right operand to variable and assign the result to variable. In the case of number, += is used for addition and concatenation is done in case of String.

What does N 2 mean in Java?

means the remainder of num divided by two which if something is divided by two the only remainder it could have is either 0 or 1, so its taking the remainder of dividing num by 2 and checking if it is equal to 0.

Does Java do Pemdas?

3 Answers. Yes, Java follows the standard arithmetic order of operations. However, you may be expecting a different answer than what you got. This is because the value 1/4 is evaluated using integer arithmetic, because both the 1 and the 4 are integers.

What is == in Java?

“==” or equality operator in Java is a binary operator provided by Java programming language and used to compare primitives and objects. so “==” operator will return true only if two object reference it is comparing represent exactly same object otherwise “==” will return false.

What does == mean in Java?

What does i j mean in Java?

4. i = j–; is an assignment statement. The right-hand side is evaluated, and the resulting value is assigned to the thing on the left-hand side. In your case, that means: The value of j is read ( 2 , in that code)

Can you use += in Java?

x += y in Java is the same as x = x + y. It is a compound assignment operator. Most commonly used for incrementing the value of a variable since x++ only increments the value by one.

Is it += or =+ in Java?

+= is a compound assignment operator – it adds the RHS operand to the existing value of the LHS operand. =+ is just the assignment operator followed by the unary + operator.

How does math Ceil work in Java?

Java Math ceil() The ceil() method rounds the specified double value upward and returns it. The rounded value will be equal to the mathematical integer. That is, the value 3.24 will be rounded to 4.0 which is equal to integer 4.