Arithmetic operators in Java perform basic mathematical operations such as addition, subtraction, multiplication, division, and modulus.

Addition (+)

The + operator adds two numbers. It also concatenates strings when used with string operands.

public class ArithmeticExample {
    public static void main(String[] args) {
        int x = 7;
        int y = 3;
        System.out.println("Sum: " + (x + y));

        String greeting = "Hello";
        String target = "Java";
        System.out.println("Message: " + greeting + " " + target);
    }
}

Subtraction (-)

The - operator subtracts the right operand from the left.

public class ArithmeticExample {
    public static void main(String[] args) {
        int num1 = 15;
        int num2 = 4;
        System.out.println("Difference: " + (num1 - num2));
    }
}

Multiplication (*)

The * operator multiplies two values.

public class ArithmeticExample {
    public static void main(String[] args) {
        int factorA = 6;
        int factorB = 8;
        System.out.println("Product: " + (factorA * factorB));
    }
}

Division (/)

The / operator divides the left operand by the right. Dividing by zero throws an ArithmeticException.

public class ArithmeticExample {
    public static void main(String[] args) {
        int dividend = 20;
        int divisor = 4;
        System.out.println("Quotient: " + (dividend / divisor));

        try {
            int result = dividend / 0;
        } catch (ArithmeticException e) {
            System.out.println("Error: Division by zero");
        }
    }
}

Modulus (%)

The % operator returns the remainder of a division operation. Like division, using zero as the divisor causes an ArithmeticException.

public class ArithmeticExample {
    public static void main(String[] args) {
        int value = 17;
        int modBase = 5;
        System.out.println("Remainder: " + (value % modBase));

        try {
            int remainder = value % 0;
        } catch (ArithmeticException e) {
            System.out.println("Error: Modulo by zero");
        }
    }
}```