Java

Java PreparedStatement Important Points

Java PreparedStatement

Java PreparedStatement is just like a Statement and it’s part of the Java JDBC Framework. It is used to perform crud operations with Database.  PreparedStatement extends the Statement interface. PreparedStatement is considered as more secure….

Binary Search In Java

The Binary Search in Java

Introduction In this tutorial, we are going to learn about the Binary Search algorithm and implement it in Java. Normal Linear or sequential search algorithm is convenient to use for a small set of data…..

Java 14 Features

Java 14 Features

Keeping up with the six-month cycle tradition, after the release of Java 13 on September 17, 2019, Java 14, another non-LTS version is scheduled to release on March 17, 2020. Java 14 Features Here’s the….

Java ResultSet Tutorial

Java ResultSet interface is a part of the java.sql package. It is one of the core components of the JDBC Framework. ResultSet Object is used to access query results retrieved from the relational databases. ResultSet….

SQL Injection in Java and How to Easily Prevent it

What is SQL Injection? SQL Injection is one of the top 10 web application vulnerabilities. In simple words, SQL Injection means injecting/inserting SQL code in a query via user-inputted data. It can occur in any….

Java CountDownLatch

Java CountDownLatch – A Nifty Synchronization Aid

Java CountDownLatch class is part of Concurrency API. It allows us to create a synchronization, where a thread waits until the count down is 0. It’s useful when we want a thread to wait on….

LinkedHashSet Java

LinkedHashSet in Java

1. LinkedHashSet Class LinkedHashSet class is the hash table and linked list implementation of the Set interface, with predictable iteration order. It maintains a doubly linked list to maintain the order of elements. LinkedHashSet iterator….

LinkedHashMap Java

Java LinkedHashMap Class

LinkedHashMap in Java It’s part of Java Collections Framework. LinkedHashMap is the hash table and linked list implementation of the Map interface. LinkedHashMap extends HashMap class. LinkedHashMap maintains the order of insertion. So while iterating….

Java String Functions

Java String Functions – 25+ MUST Know Methods

Java String Functions Java String class has a lot of functions to manipulate strings. There are many methods to get the characters and bytes of the string object. There are methods to split the string….

Java List Add AddAll

Java List add() and addAll() Methods

1. Java List add() This method is used to add elements to the list. There are two methods to add elements to the list. add(E e): appends the element at the end of the list…..

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