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Java Program: Evaluate Salary After Tax Based on Slabs

Tax Slabs (Example for Logic Practice)

Annual Salary	Tax Rate
Up to ₹2,50,000	No Tax
₹2,50,001 – ₹5,00,000	5%
₹5,00,001 – ₹10,00,000	20%
Above ₹10,00,000	30%

(Slabs are simplified for programming illustration.)

Java

import java.util.Scanner;
 
public class SalaryAfterTax {
    public static void main(String[] args) {
 
        Scanner sc = new Scanner(System.in);
 
        System.out.print("Enter annual salary: ");
        double salary = sc.nextDouble();
 
        double taxRate;
 
        // Tax slab evaluation
        if (salary <= 250000) {
            taxRate = 0;
        }
        else if (salary <= 500000) {
            taxRate = 0.05;
        }
        else if (salary <= 1000000) {
            taxRate = 0.20;
        }
        else {
            taxRate = 0.30;
        }
 
        double taxAmount = salary * taxRate;
        double netSalary = salary - taxAmount;
 
        System.out.println("\n------ Salary Tax Evaluation ------");
        System.out.printf("Gross Salary : ₹%.2f%n", salary);
        System.out.printf("Tax Rate     : %.0f%%%n", taxRate * 100);
        System.out.printf("Tax Amount   : ₹%.2f%n", taxAmount);
        System.out.printf("Net Salary   : ₹%.2f%n", netSalary);
 
        sc.close();
    }
}

Output

 
OUTPUT 1:
 
INPUT : 
Enter annual salary: 420000

OUTPUT : 
------ Salary Tax Evaluation ------
Gross Salary : ₹420000.00
Tax Rate     : 5%
Tax Amount   : ₹21000.00
Net Salary   : ₹399000.00

OUTPUT 2:
INPUT : 
Enter annual salary: 850000

OUTPUT : 
------ Salary Tax Evaluation ------
Gross Salary : ₹850000.00
Tax Rate     : 20%
Tax Amount   : ₹170000.00
Net Salary   : ₹680000.00

OUTPUT 3:
INPUT : 
Enter annual salary: 1200000

OUTPUT : 
------ Salary Tax Evaluation ------
Gross Salary : ₹1200000.00
Tax Rate     : 30%
Tax Amount   : ₹360000.00
Net Salary   : ₹840000.00

Explanation

1. Input Annual Salary

double salary = sc.nextDouble();

Reads the employee’s annual salary.

2. Determine Applicable Tax Slab

if (salary <= 250000)

Uses an if–else if ladder to select tax rate based on salary range.

3. Tax Calculation

Tax Amount = Salary × Tax Rate

Net Salary = Salary − Tax Amount

4. Formatted Output

System.out.printf("Net Salary : ₹%.2f", netSalary);

Displays currency values up to 2 decimal places.