Java

Discover the powerful features of Java 8, including lambda expressions, streams, and method references. Enhance your Java programming with these modern additions.

URL: https://www.progressiverobot.com/java-char-to-string-to-char-array/ Today we will look into java char to String program. We will also learn how to convert String to a char array. Java char to String Before we look into java char to String program, let's get to the basic difference between them. char is a primitive data type whereas String is a […]

URL: https://www.progressiverobot.com/java-do-while-loop/ Java do-while loop is used to execute a block of statements continuously until the given condition is true. The do-while loop in Java is similar to [while loop](/community/tutorials/java-while-loop) except that the condition is checked after the statements are executed, so do while loop guarantees the loop execution at least once. Java do while […]

URL: https://www.progressiverobot.com/java-i18n-internationalization-in-java/ Internationalization in Java or Java i18n is a very important feature. Java provides internationalization (i18n) support through resource bundles. Internationalization in Java For making your application support different locales, we need to create locale specific properties file. The file names follow the pattern of bundle name with language code and country code, for […]

URL: https://www.progressiverobot.com/java-resultset/ Java ResultSet interface is a part of the java.sql package. It is one of the core components of the [JDBC Framework](/community/tutorials/jdbc-tutorial). ResultSet Object is used to access query results retrieved from the relational databases. ResultSet maintains cursor/pointer which points to a single row of the query results. Using navigational and getter methods provided […]

URL: https://www.progressiverobot.com/java-string-quiz/ Welcome to Java String Quiz. String is one of the most important classes in Java. If you have done any programming in java, you must have used it. The string is very popular when it comes to java interview questions or quiz. So I have gathered some great and tricky java string quiz […]

Java Collection classes are fail-fast which means that if the Collection will be changed while some thread is traversing over it using iterator, the iterator.next() will throw ConcurrentModificationException. This situation can come in case of multithreaded as well as single threaded environment.

URL: https://www.progressiverobot.com/json-simple-example/ json-simple is a simple java toolkit for JSON. json-simple library is fully compliance with JSON specification (RFC4627). json-simple  json-simple uses [Map](/community/tutorials/java-map) and [List](/community/tutorials/java-list) internally for JSON processing. We can use json-simple for parsing JSON data as well as writing JSON to file. One of the best feature […]