Date Validity Checker (Java)

This is a simple Date Validity Program written in Java that checks whether a given date is valid or not.
The user enters a date in six-digit format (DDMMYY), and the program validates it by checking:

• Correct day range for each month
• Leap year and non-leap year conditions
• Valid month values

If the date is valid, it prints the date in a readable format along with “VALID DATE”.
Otherwise, it prints “INVALID DATE”.

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About This Project

This was my first Java project after learning Java in high school.
I built this program to practice:

• Conditional statements (if-else)
• String manipulation
• User input using Scanner
• Basic date logic and leap year calculation

This project represents my early learning phase in Java and my first step into writing logical programs independently.

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Concepts Used

• Java Scanner class for input
• String conversion and substring operations
• Leap year checking
• Nested if-else statements
• Basic validation logic

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How to Run the Program

1. Make sure Java is installed on your system.
2. Compile the program:

   javac DatePrint.java