In Spring Boot, to change the context path, update server.contextPath properties. The following examples update the context path from / to /mkyong or http://localhost:8080/mkyong

Date: 2019-08-16 View: 1448

In Spring Boot, to change the context path, update server.contextPath properties. The following examples update the context path from / to /mkyong or http://localhost:8080/mkyong

Date: 2019-08-11 View: 1490

Java multi threads example to show you how to use Semaphore and Mutex to limit the number of threads to access resources.

Date: 2019-08-11 View: 1821

In Spring Boot, to change the embedded Tomcat initialized port (8080), update server.port properties.

Date: 2019-08-11 View: 1631

By default, Spring Boot use Tomcat as the default embedded server, to change it to Jetty, just exclude Tomcat and include Jetty like this :

Date: 2019-08-11 View: 1594

JExcel API Reading and Writing Excel file in Java

In this article, we will discuss about how to read and write an excel file using JExcel API, a simple library and widely used for simple operations which do not involve a high level of formatting and complex formulas based operations.

Date: 2019-08-11 View: 1663

If Spring Boot project contains multiple main classes, Spring Boot will fail to start or packag for deployment.

Date: 2019-08-11 View: 1716

Intellij IDEA – Spring boot reload static file is not working

In Eclipse, just include the Spring Boot Dev Tools dependency, then the hot swapping and static file reload will be enabled magically. For Intellij IDE, we need extra steps to enable it.

Date: 2019-08-11 View: 2425

iText Read and Write PDF in Java

This article talks about reading and writing PDF using iText PDF library.

Date: 2019-08-11 View: 1852

Apache POI – Reading and Writing Excel file in Java

In this article, we will discuss about how to read and write an excel file using Apache POI

Date: 2019-08-11 View: 2088

By default, there is no wget on Mac OS X.

Date: 2019-08-11 View: 1693

Spring Boot SLF4j Logback example

In this tutorial, we will show you how to use Logback in Spring Boot framework.

Date: 2019-08-11 View: 2162

Spring Boot @ConfigurationProperties example

Spring Boot @ConfigurationProperties is letting developer maps the entire .properties and yml file into an object easily.

Date: 2019-08-11 View: 1804

Java 8 introduced new methods in the Math class that will throw an ArithmeticException to handle overflows. These methods consist of addExact, substractExact, multiplyExact, incrementExact, decrementExact and negateExact with int and long arguments. In addition, there’s a static toIntExact method to convert a long value to an int that also throws ArithmeticException.

Date: 2019-08-11 View: 1816

Java Swing JOptionPane showOptionDialog example

The showOptionDialog method of JOptionPane is the Grand Unification of showConfirmDialog, showInputDialog and showMessageDialog.

Date: 2019-08-11 View: 2662