Delete file using java with the help of delete method available in java.io.File package. The File.delete() method return boolean value. if the file is deleted successfully then the delete() method return true, on the other hand if it not able to delete file using java then it returns false. below example demonstrates how to delete … Read more
Java consists of eight primitive data types which are byte, short, int, long, float, double, boolean and char. A primitive is named by a reserved keyword and is predefined by the language. Primitive values do not share state with other primitive values. We can get the min and max value of primitive data types using … Read more
Reflection in java is used to describe code which is able to examine or modify the run-time behavior of applications running in the Java virtual machine. Reflection in java is a powerful technique that enables applications to perform various operations which would be otherwise impossible. We can inspect and dynamically call classes, interfaces, methods, and … Read more
In java there are multiple ways to iterate, loop through, traverse the elements in collection. For example if you want to display the elements, remove the elements in a given collection then you can implement different ways to iterate, loop or traverse on a given collection like iterator, basic for loop, enhanced for loop etc. … Read more
A number can be a palindrome if number itself is equal to reverse of number, for example 121 is a palindrome because reverse of this number is also 121, but on the other hand 123 is not a palindrome because reverse of 123 is 321 which is not equal to 123, i.e. original number. To … Read more
Using the java.net.InetAddress, We can Get the localhost IP Address in Java. To get the localhost IP, We can Use the Code like import java.net.InetAddress; import java.net.UnknownHostException; public class IPAddress { public static void main(String[] args) { try { InetAddress ip = InetAddress.getLocalHost(); System.out.println(“IP is : ” + ip.getHostAddress()); } catch (UnknownHostException ex) { ex.printStackTrace(); … Read more
MYSQl is the world’s second most widely used open-source relational database management system. MYSQL RDBMS provides the mysql shell to restore the database, We can invoke the mysql command from command Prompt to restore the database, mysql shell can also be invoked from java using the java.lang.Runtime class. In the example we are going to … Read more
JAVA is a programming language and environment that was designed to solve a number of problems in modern programming practice. It is a general-purpose computer programming language that is concurrent, class-based, object-oriented and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers “write once, run anywhere” (WORA) … Read more
Java provides the ‘java.util.zip’ package to compress and decompress the data. To get started, we will need to import the necessary classes from the java.util.zip package. These classes allow us to work with zip files and compress data. In the below example we are using ZipOutputStream and ZipEntry Class. Both are essential classes in Java’s … Read more