Java Tutorials & Protips

Calculate days between two OffsetDateTime objects in Java

#Java

Calculate days between two ZonedDateTime objects in Java

#Java

Calculate days between two LocalDateTime objects in Java

#Java

Calculate days between two LocalDate objects in Java

#Java

How to check if an enum value exists in Java

#Java

How to iterate over enum values in Java

#Java

How to convert a string to an enum value in Java

#Java

How to convert a string to a char array in Java

#Java

How to convert a char array to a string in Java

#Java

How to convert a list to a map in Java

#Java

How to convert a list of objects to a list of strings in Java

#Java

How to convert a list of strings to uppercase in Java

#Java

Round a double or float number to 2 decimal places in Java

#Java

How to convert a string to an array in Java

#Java

How to convert an array to a string in Java

#Java

How to format a string in Java

#Java

How to pause the code execution in Java

#Java

How to convert an integer to a string in Java

#Java

Replace new line (\n) with HTML br tag in string using Java

#Java

How to merge two maps in Java

#Java

Convert a list to a comma-separated string in Java

#Java

Convert a comma-separated string to a list in Java

#Java

Why is it still worth it to learn Java?

#Java

How to check if Java is installed

#Linux#Java#DevOps

Remove the last character of a string in Java

#Java

How to reverse the elements of a stream in Java

#Java

How to extract digits from a string in Java

#Java

How to read and parse a CSV file in Java

#Java#CSV

How to calculate days between two dates in Java

#Java

Check if a string contains a substring in Java

#Java

How to convert a Java object to XML using JAXB

#Java#XML

How to read and write XML using Java

#Java#XML

How to generate random numbers in Java

#Java

How to convert string to LocalDateTime in Java

#Java

How to convert string to LocalDate in Java

#Java

How to convert LocalDateTime to string in Java

#Java

How to convert LocalDate to string in Java

#Java

How to convert a date to string in Java

#Java

How to add days to a date in Java

#Java

How to compare two dates in Java

#Java

How to get the Unix timestamp in Java

#Java

How to get current timestamp in Java

#Java

How to convert a string to date in Java

#Java

How to get current date and time in Java

#Java

Introduction to Java 8 Date and Time API

#Java

How to convert a byte array to a string in Java

#Java

How to filter a Map with Java 8 Stream API

#Java

How to use forEach() method to loop in Java

#Java

how to create a temporary directory in Java

#Java

How to create a temporary file in Java

#Java

How to get the current working directory in Java

#Java

How to traverse a directory structure in Java

#Java

How to move a file to another directory in Java

#Java

How to copy files from one directory to another in Java

#Java

How to create symbolic and hard links in Java

#Java

How to check if directory is a symbolic link in Java

#Java

How to check if directory is empty in Java

#Java

How to delete a directory recursively in Java

#Java

How to delete a directory in Java

#Java

How to create a directory in Java

#Java

How to get the absolute path of a file in Java

#Java

How to get the file last modified date in Java

#Java

How to change the file last modified date in Java

#Java

How to check if a file is hidden in Java

#Java

How to make a file read only in Java

#Java

How to check if file is readable, writable or executable in Java

#Java

How to check if a directory exists in Java

#Java

How to check if a file exists in Java

#Java

How to read a File to a String in Java

#Java

How to download and save a file from Internet in Java

#Java

How to read an Object from a File in Java

#Java

How to write an Object to a File in Java

#Java

How to convert InputStream to OutputStream in Java

#Java

How to convert an InputStream to a File in Java

#Java

How to convert a String to an InputStream in Java

#Java

How to convert an InputStream to a String in Java

#Java

How to list all files in a directory in Java

#Java

How to delete a file in Java

#Java

How to create a file in Java

#Java

How to get a file size in Java

#Java

How to read a file using Files.readAllBytes() in Java

#Java

How to lock a file before writing in Java

#Java

How to save a string to a text file using Java

#Java

How to append text to a file in Java

#Java

How to write to a file using FileOutputStream in Java

#Java

How to read a file using FileInputStream in Java

#Java

How to create and write to a file in Java

#Java

How to write to a file using BufferedWriter in Java

#Java

How to read a file using BufferedReader in Java

#Java

Reading and Writing Files using Java NIO API

#Java

How to Read and Write Binary Files in Java

#Java

How to Read and Write Text Files in Java

#Java

Reading and Writing Files in Java

#Java

How to concatenate two arrays in Java

#Java

How to check if an array contains a value in Java

#Java

How to convert an Array to a List in Java

#Java

How to split a string by new line in Java

#Java

How to split a string in Java

#Java

How to read JSON from a file using Gson in Java

#Java#JSON

How to write JSON to a file using Gson in Java

#Java#JSON

Read and write JSON as a stream using Gson

#Java#JSON

How to pretty print JSON using Gson in Java

#Java#JSON

Convert JSON String to and from Map using Gson

#Java#JSON

Convert JSON Array to List using Gson in Java

#Java#JSON

Convert Java Object to JSON using Gson

#Java#JSON

How to read and write JSON using Gson in Java

#Java#JSON

How to Read JSON from a file using Jackson

#Java#JSON#Jackson

How to write JSON to a file using Jackson

#Java#JSON#Jackson

How to create a JSON Object using Jackson

#Java#JSON#Jackson

How to create a JSON array using Jackson

#Java#JSON#Jackson

Working with Tree Model Nodes in Jackson

#Java#JSON#Jackson

Convert Java Object to JsonNode using Jackson

#Java#JSON#Jackson

How to pretty print JsonNode to JSON string using Jackson

#Java#JSON#Jackson

Convert JSON string to JsonNode using Jackson

#Java#JSON#Jackson

How to map a dynamic JSON object with Jackson

#Java#JSON#Jackson

How to ignore unknown JSON properties with Jackson

#Java#JSON#Jackson

How to pretty print JSON using Jackson in Java

#Java#JSON#Jackson

How to Ignore Null Fields with Jackson in Java

#Java#JSON#Jackson

Convert JSON String to Map using Jackson

#Java#JSON#Jackson

Convert JSON array to a list using Jackson in Java

#Java#JSON#Jackson

Convert Java Object to JSON using Jackson

#Java#JSON#Jackson

How to read and write JSON using Jackson in Java

#Java#JSON#Jackson

How to read and write JSON using JSON.simple in Java

#Java#JSON

How to read and write JSON Files in Java

#Java#JSON#Jackson

How to read and write CSV files using core Java

#Java#CSV

Base64 Encoding and Decoding in Java

#Java

How to encode or decode a URL string in Java

#Java

How to install Java on Ubuntu 18.04

#Java#Ubuntu#DevOps

How to Increase Tomcat Default Memory Size

#Java#DevOps

How to read and write CSV files using OpenCSV

#Java#CSV

Capitalize the first letter of each word in a string using Java

#Java

Capitalize the first letter of a string in Java

#Java

How to sort a List using Stream sorted() in Java

#Java

How to sort a Map in Java

#Java

How to read and write CSV files using Apache Commons CSV

#Java#CSV

How to convert a string to an integer in Java

#Java

How to read a file line by line in Java

#Java

How to Schedule Tasks in Spring Boot

#Java#Spring Boot

4 ways to compare strings in Java

#Java

How to create an ArrayList in Java

#Java

How to convert a List to a Set in Java

#Java

How to convert country code to emoji flag in Java

#Java

How to change the default Java version on Ubuntu

#Java#Ubuntu#DevOps

How to export & download data as a CSV file in Spring Boot

#Java#CSV#Spring Boot

A guide to type conversion in Java

#Java

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