The assignment operator in Java evaluates to the assigned value (like it does in, e.g., c). So here, readLine() will be executed, and its return value stored in line. That stored value is then checked against null, and if it's null then the loop will terminate.

Sep 16, 2016 · The expression cadence = 0 returns an int because the assignment operator returns a value of the same data type as its left-hand operand; in this case, cadence is an int. Statements are roughly equivalent to sentences in natural languages. A statement forms a complete unit of execution.

In Java, an assignment statement is an expression that evaluates a value, which is assigned to the variable on the left side of the assignment operator. Whereas an assignment expression is the same, except it does not take into account the variable.

Now that you understand variables and operators, it's time to learn about expressions, statements, and blocks. Operators may be used in building expressions, which compute values; expressions are the core components of statements; statements may be grouped into blocks.

The rules for determining the type of an expression are explained separately below for each kind of expression. The value of an expression is assignment compatible (§5.2) with the type of the expression, unless heap pollution (§4.12.2) occurs.

Sep 13, 2023 · 1. (=) operator: This is the most straightforward assignment operator, which is used to assign the value on the right to the variable on the left. This is the basic definition of an assignment operator and how it functions. Syntax:

Feb 3, 2011 · Its both. Compile time - an assignment is analyzed at compile time for type compatibility, for the injection of code to do conversion/boxing/unboxing, etc. Even some flow …

Jan 4, 2011 · In this lesson, you will learn about assignment statements and expressions that contain math operators and variables. 1.4.1. Assignment Statements ¶. Remember that a variable holds a value that can change or vary. Assignment statements initialize or change the value stored in a variable using the assignment operator =.

Jan 16, 2014 · Expression is a chain of values (not necessarily numbers) joined by some operators and (important!) having some value. Statement is the phrase telling executing system to perform some action, for example:

Apr 24, 2024 · An assignment statement designates a value for a variable. An assignment statement can be used as an expression in Java. After a variable is declared, you can assign a value to it by using an assignment statement. In Java, the equal sign (=) is used as the assignment operator. The syntax for assignment statements is as follows: