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  1. Jun 10, 2024 · Logical operators are used to perform logical “AND”, “OR” and “NOT” operations, i.e. the function similar to AND gate and OR gate in digital electronics. They are used to combine two or more conditions/constraints or to complement the evaluation of the original condition under particular consideration.

    • Arithmetic Operators. class Main { public static void main(String[] args) { // declare variables int a = 12, b = 5; // addition operator System.out.println("a + b = " + (a + b)); // subtraction operator System.out.println("a - b = " + (a - b)); // multiplication operator System.out.println("a * b = " + (a * b)); // division operator System.out.println("a / b = " + (a / b)); // modulo operator System.out.println("a % b = " + (a % b)); } }
    • Assignment Operators. class Main { public static void main(String[] args) { // create variables int a = 4; int var; // assign value using = var = a; System.out.println("var using =: " + var); // assign value using =+ var += a; System.out.println("var using +=: " + var); // assign value using =* var *= a; System.out.println("var using *=: " + var); } }
    • Relational Operators. class Main { public static void main(String[] args) { // create variables int a = 7, b = 11; // value of a and b System.out.println("a is " + a + " and b is " + b); // == operator System.out.println(a == b); // false // !=
    • Logical Operators. class Main { public static void main(String[] args) { // && operator System.out.println((5 > 3) && (8 > 5)); // true System.out.println((5 > 3) && (8 < 5)); // false // || operator System.out.println((5 < 3) || (8 > 5)); // true System.out.println((5 > 3) || (8 < 5)); // true System.out.println((5 < 3) || (8 < 5)); // false // !
  2. There are three types of logical operators in Java: AND (&&): The AND operator returns true if both the operands are true, otherwise it returns false. For example: In the example above, the AND operator returns true because both x is greater than 3 and y is less than 10.

  3. The following programs are simple examples which demonstrate the logical operators. Copy and paste the following Java programs as Test.java file, and compile and run the programs −. Example 1. In this example, we're creating two variables a and b and using logical operators. We've performed a logical AND operation and printed the result.

  4. The Java Logical Operators work on the Boolean operand. It's also called Boolean logical operators. It operates on two Boolean values, which return Boolean values as a result. Program to Show Logical Operators Works. Example: Copy Code.

  5. Java's logical operators are split into two subtypes, relational and conditional. You can use these operators to make your programs much more flexible and powerful. You'll also get the added benefit of making your code even that much easier to read and to write. Relational Operators.

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  7. Learn about Java logical operators with examples. Understand the 3 logical operators in Java and how to use them to combine conditions in your code.