URL: https://www.progressiverobot.com/java-continue-statement/ Java continue statement is used to skip the current iteration of a loop. Continue statement in java can be used with for, while and do-while loop. Java continue statement When continue statement is used in a nested loop, it only skips the current execution of the inner loop. Java continue statement can be […]
URL: https://www.progressiverobot.com/java-files-nio-files-class/ Java Files class was introduced in Java 1.7 and is a part of java.nio.file package. Java Files Class Java Files class contains [static](/community/tutorials/static-keyword-in-java) methods that work on files and directories. This class is used for basic file operations like create, read, write, copy and delete the files or directories of the file system. […]
A Guide to Java memory management. Dive deep into the JVM Memory Model, Heap, Stack, Garbage Collection, and best practices.
URL: https://www.progressiverobot.com/java-queue/ Java Queue is an interface available in java.util package and extends java.util.Collection interface. Just like Java List, Java Queue is a collection of ordered elements (Or objects) but it performs insert and remove operations differently. We can use Queue to store elements before processing those elements.  Java Queue In this section, we […]
Master Java date and time formatting with SimpleDateFormat and DateFormat. Learn locale-based patterns and parsing techniques to enhance your java applications!
URL: https://www.progressiverobot.com/java-ternary-operator/ Java ternary operator is the only conditional operator that takes three operands. Java ternary operator is a one liner replacement for if-then-else statement and used a lot in java programming. We can use ternary operator to replace switch also as shown in below example. Java Ternary Operator  The first operand […]
URL: https://www.progressiverobot.com/java-zip-file-folder-example/ Today we will look into java zip file example. We will also compress a folder and create zip file using java program. Java ZIP java.util.zip.ZipOutputStream can be used to compress a file into ZIP format. Since a zip file can contain multiple entries, ZipOutputStream uses java.util.zip.ZipEntry to represent a zip file entry. Java […]
URL: https://www.progressiverobot.com/junit-display-name-displayname/ JUnit @DisplayName annotation is used to provide a custom name for the test class and test methods. We can use spaces, special characters, and even emojis in the display name. JUnit Display Name Example By default, [JUnit](/community/tutorials/junit5-tutorial) reporting prints the class name and method name in the IDE test report. We can use […]
URL: https://www.progressiverobot.com/min-heap-binary-tree/ A Min Heap Binary Tree is a Binary Tree where the root node has the minimum key in the tree. The above definition holds true for all sub-trees in the tree. This is called the Min Heap property. Almost every node other than the last two layers must have two children. That is, […]
URL: https://www.progressiverobot.com/opencsv-csvreader-csvwriter-example/ OpenCSV is a lightweight java CSV parser. Today we will look into OpenCSV example for CSV parsing. OpenCSV  OpenCSV provides most of the basic features for CSV parsing. OpenCSV is more popular because we don't have any builtin CSV parser in java. Some of the important classes in […]
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