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Program: How to check if the date is before the specified date?


Code:
package com.java2novice.date;

import java.util.Date;

public class MyBeforeDateTest {

	public static void main(String a[]){
		
		Date current = new Date();
		//create a date one day before current date
		long prevDay = System.currentTimeMillis() - 1000*60*60*24;
		//create date object
		Date prev = new Date(prevDay);
		//compare both dates
		if(prev.before(current)){
			System.out.println("The date is older than current day");
		} else {
			System.out.println("The date is future day");
		}
	}
}

Output:
The date is older than current day
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Knowledge Centre
Class, Constructor and Primitive data types
Class is a template for multiple objects with similar features and it is a blue print for objects. It defines a type of object according to the data the object can hold and the operations the object can perform. Constructor is a special kind of method that determines how an object is initialized when created. Primitive data types are 8 types and they are: byte, short, int, long, float, double, boolean, char.
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I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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