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database password encryption in spring boot

spring-boot-security using http basic authentication

In this post, we will learn about spring-boot-security using http basic authentication In this tutorial we will use spring security ...
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automatic mouse mover in java

In this post, we will do automatic mouse mover in java We can move the cursor with random directions using ...
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enable cors in spring boot rest API

In this post we will learn to enable cors in spring boot rest API For security reasons, browsers prohibit AJAX ...
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change timezone of date in java

In this post, we will learn to change timezone of date in java In java by default new Date() will ...
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join two arraylist in java with example

In this post, we will learn to join two arraylist in java with example ArrayList is a dynamic array concept ...
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singleton in java with example

In this post, we will learn singleton in java with example Singleton is one of the famous design pattern in ...
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convert java object to JSON string

In this post, we will learn to convert java object to JSON string using GSON library We can convert Java ...
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convert JSON string to java object

In this post, we will learn to convert JSON string to java object using GSON We can convert json string ...
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read value from application.properties spring boot

In this post, we will learn to read value from application.properties spring boot In spring boot application we can easily ...
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unable to determine jdbc url from datasource spring boot

In this post, we will discover about unable to determine jdbc url from datasource spring boot error Cause of problem ...
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no main manifest attribute, in – spring boot

In this post, we will learn to resolve no main manifest attribute, in - spring boot application Once your jar ...
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configure datasource programmatically in spring boot

In this post, we will learn about configure datasource programmatically in spring boot In below example we are using mysql ...
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com.sun.net.httpserver.httpexchange not found in eclipse

In this post we will learn about com.sun.net.httpserver.httpexchange not found in eclipse While I am trying to add Http Server ...
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add rest service in core java application

In this post, we will learn about add rest service in core java application We are in spring boot world, ...
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convert iterator to list in java

In this tutorial, we will learn convert iterator to list in java Here we are giving two approach to convert ...
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add swagger in spring boot application

In this tutorial, we will learn to add swagger in spring boot application What is Swagger ? Swagger is an ...
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Field ‘id’ doesn’t have a default value

Field ‘id’ doesn’t have a default value: You will face this exception when you not properly configured your model class ...
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crud operations in spring boot with Mysql

In this tutorial, we will learn crud operations in spring boot with Mysql If you want to learn more about ...
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connect MySQL database from spring boot

In this tutorial, we will learn to connect MySQL database from spring boot with Spring Data What is Spring Data ...
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how to create rest service using spring boot

In this post, we will learn how to create rest service using spring boot What is Rest Service REST is ...
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how to create spring boot application

In this tutorial, we will learn how to create spring boot application What is Spring boot Spring Boot makes it ...
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register spring boot micro-services to eureka discovery

This tutorial is a continuation of our previous tutorial, Here we will learn about register spring boot micro-services to eureka ...
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create netflix eureka discovery server using spring boot

Here we are going to create netflix eureka discovery server using spring boot What is Discovery Server Discovery server is ...
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get the last modified date of a file in Java

In this post, we will learn about get the last modified date of a file in Java It returns the ...
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count number of words in string using java

In this post, we will learn about count number of words in string using java In below example we using ...
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find the first occurrence of a character in string using java

In this post, we will learn to find the first occurrence of a character in string using java As like ...
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find the last index of a character in string using java

In this post, we will learn to find the last index of a character in string using java As like ...
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how to write properties file in java

In this tutorial, we will learn how to write properties file in java we are going to use FileOutputStream to ...
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java.sql.SQLTimeoutException Query Timeout

In this tutorial, we will learn about java.sql.SQLTimeoutException Query Timeout It is always good to do proactive coding. As part ...
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how to load property file in java

In this post, we will learn how to load property file in java. Properties file is used to store and ...
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how to get the hostname in java code

In this post, we will learn how to get the hostname in java code In this example we are using ...
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multiply two matrix using java with example

In this post, we will learn about multiply two matrix in java with example We are declaring two matrix named ...
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subtracting two matrix in java with example

In this post, we will learn about subtracting two matrix in java with example We are declaring two matrix named ...
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adding two matrix in java with example

In this post, we will learn about adding two matrix in java with example In below example,We are using two ...
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create 2×2 matrix using java

In this post, we will learn to create 2x2 matrix using java We all know that In mathematics Matrix is ...
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delete a file from java code

In this post, we will learn to delete a file from java code. When you are delete a file from ...
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ssh to linux box using Kerberos from Java

In this post, we will learn about ssh to linux box using Kerberos from Java If you want to login ...
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Base64 Encoding using Java

In Below example we will learn how to use Base64 Encoding using Java Finally Java8 incorporated Base64 Encoding. Base64 is ...
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how to list all files inside a folder using java

In this post, we will how to list all files inside a folder using java. Here we will use File.java ...
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how to read a file from java with example

In this post, we will learn about how to read a file from java with example This will called as ...
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create text file from java with example

In this post, we are going to learn create text file from java with example In this example, we are ...
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calculate number days between two dates using java

In this tutorial, we will learn about calculate number days between two dates using java There are lot of ways ...
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How to compare two strings in java

In this post, We will learn How to compare two strings in java It might sounds easy. But we need ...
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get key and value from hashmap in java

In this tutorial, we will learn about get key and value from hashmap in java Example Using Java 8 import ...
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iterate stream with index in Java8

In this post, we will learn to iterate stream with index in Java8 We will come across multiple streams tutorials, ...
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convert int to String in java with example

In this post, we will learn to convert int to String in java with example Even this is a simple ...
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foreach in java8 using streams

In this tutorial, we will learn about foreach in java8 using streams In java8, We can easily iterate a list ...
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compare two dates in java example

In this post, we will learn to compare two dates in java example There are multiple ways to compare ...
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convert String to date in java with example

In this tutorial, we will learn to convert String to date in java with example.While we working with java this ...
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add 3 days to the current date in java

In this post we will learn to add 3 days to the current date in java While we working with ...
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sorting operations in java using streams

In this example, we learn sorting operations in java using streams In Java 8 it is easy to sort records ...
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filter operations in streams on java

In this example we learn filter operations in streams on java In Java 8 it is easy to filter record ...
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Iterate list using streams in java

In this example, we will learn about iterate list using streams in java with exampleIt was introduced on Java 8 ...
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Create a Maven Project using command prompt

In this tutorial we will learn to create a maven project using command prompt Prerequisites Java installed If not Refer: ...
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Set Maven Home in Windows

In this tutorial we will learn to set Maven home in windows. Please refer my previous tutorial to download and ...
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How to install Apache Maven in windows

In this tutorial we will learn about install apache maven in windows operating system Maven is a software project management ...
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Run shell script from java with Example

In this example we will learn to run bash command and invoking a shell script file from java Java is ...
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Ternary Operator in java with example

In this example we will learn to use ternary operator in java with example Ternary Operator will be used instead ...
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Switch Case in Java with Example

Switch Case in Java with Example is most used condition based approach in java. It is similar from other ...
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How to set java home in windows

Prerequisites Java Installed locationTo Install Java please refer below linkhttps://beginnersbug.com/how-to-install-java-in-windows/windows operating system Step 1 Copy jdk home pathexample: C:\Program Files\Java\jdk1.8.0_171 ...
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How to install Java in Windows

Prerequisites Windows 10 Operating SystemDownload AccessOracle accountAdministrator access on windows Step 1 Download JDK from Oracle websiteURL : https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html Open ...
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Overriding concept in java with example

In this tutorial, we will learn Overriding concept in java with example Overriding is a feature that allows a child ...
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Method Overloading in Java with example

In this tutorial we will learn Method Overloading in Java with example. Overloading is an example of polymorphism (OOPS concept) ...
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Print a String in java with example

In this tutorial, we will learn to print a String in java with example Syntax System.out.println(""); Example public class PrintExample ...
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Datatypes in java

In this post, we will learn about Datatypes in java and it's default value Below are the list of primitive ...
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Convert String to lowercase using java

In this example we will learn to convert a String to lowercase using java Syntax toLowerCase(); Copy Example public class ...
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Check key exists in Hashmap Java

In below example we are going to Check key exists in Hashmap java Syntax containsKey() Copy Example import java.util.HashMap; import ...
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Helloworld in java

In this example we will learn how to print helloworldHelloworld is the first program in all language by programmers Prerequisites ...
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Print non repeated characters in java

In this example we will print non repeated characters from a string using java This is mostly asked in the ...
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Print String reverse using java with example

Print String in reverse using java with example. This is most asked qustion in java interviews In below example we ...
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Difference between StringBuffer and StringBuilder in java

In this tutorial, we will learn the difference between StringBuffer and StringBuilder in java StringBuffer and StringBuilder are mostly used ...
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StringBuffer example in java

In Below example we will learn how to use StringBuffer example in java StringBuffer is a thread safe, which means ...
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StringBuilder in java with example

In this tutorial we will learn StringBuilder in java with example. StringBuilder in java is widely used to concat two ...
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Split String in java using delimiter

In this tutorial we will learn how to split a string in java using delimiterwe will use split method to ...
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String to int in java

Converting string to int in java is frequently used by java developers,In this example we will learn how to convert ...
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Sort an Arraylist in java with example

In this tutorial, we will learn how to Sort an Arraylist in java with example by ascending order using collections ...
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HashMap in java with example

In this tutorial we will learn about HashMap in java with example Hashmap is used store key and value pair ...
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ArrayList in java with example

In this tutorial we will learn ArrayList in java with example In Java we can achieve the dynamic array ...
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print current date in java with example

In this post we will learn to print current date in java with examplesHere we used Date.java from java.util packageIn ...
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do while in java with example

In this tutorial, we will learn do while in java with example do while is little bit different from other ...
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for loop in java

for loop used to iterate an array or used to repeat a set of code for predefined times Syntax for(;;){ ...
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while loop using boolean datatype in java

In this tutorial, we will learn about while loop using boolean datatype in java we can make an infinite loop ...
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while loop in java

In this post, we will learn about while loop in java with an example while is a keyword in ...
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If else condition in java

In this tutorial, we will learn about If else condition in java if else is used to check the logical ...
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Exception Handling in java

In this tutorial we will learn about Exception Handling in java What is Exception Any Error occurred while compiling or ...
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