Java Operators
Operators are used to perform operations on variables and values.
In the example below, we use the
+
operator to add together two values:
Example
int x = 100 + 50;
Although the +
operator is
often used to add together two values, like in the example above, it
can also be used to add together a variable and a value, or a variable
and another variable:
Example
int sum1 = 100 + 50; // 150 (100 + 50)
int sum2 = sum1 + 250; // 400 (150 + 250)
int sum3 = sum2 + sum2; // 800 (400 + 400)
Java divides the operators into the following groups:
- Arithmetic operators
- Assignment operators
- Comparison operators
- Logical operators
- Bitwise operators
Arithmetic Operators
Arithmetic operators are used to perform common mathematical operations.
-
Java Assignment Operators
Assignment operators are used to assign values to variables.
In the example below, we use the assignment operator (=
)
to assign the value 10 to a variable called x:
Example
int x = 10;
The addition assignment operator (+=
) adds a value to a variable:
Example
int x = 10;
x += 5;
Java Comparison Operators
Comparison operators are used to compare two values:
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