The Boolean object represents two values, either "true" or "false". If the value parameter is omitted or is 0, -0, null, false, NaN, undefined, or the empty string (""), the object has an initial value of false.Create a Boolean object like this −var val = new Boolean(value);ExampleYou can try to ... Read More

Classloader − Loads the class file into the JVM.Class Area − Storage areas for a class elements structure like fields, method data, code of method etc.Heap − Runtime storage allocation for objects.Stack − Storage for local variables and partial results. A stack contains frames and allocates one for each thread. ... Read More

JVM or Java Virtual Machine is a specification to provide the runtime environment on which a bytecode can be executed. JVMs are prepared platform specific and are available for almost all the hardware and machine.Features of JVM −It provides class loader to load a class.It provides bytecode verifier to verify ... Read More

Let us look at a simple code that will print the words Hello World.ExampleOnline Demopublic class MyFirstJavaProgram {    /* This is my first java program.     * This will print 'Hello World' as the output     */    public static void main(String []args) {   ... Read More

The +function() {} notation is primarily used to force the parser to treat whatever follows the + as an expression. This is used for functions that are invoked immediately, for example, +function() { alert("Demo!"); }();However, + before a function is one of the symbols. You can add other options also ... Read More

When an event is triggerd, the screenX mouse event returns the horizontal coordinate of the mouse pointer.ExampleYou can try to run the following code to learn how to implement screenX Mouse event in JavaScript.           Click here to get the x (horizontal) and y (vertical) coordinates ... Read More

When anchor part is changed, then the onhashchange event occurs. You can try to run the following code to learn how to implement onhashchange event in JavaScript.Example           Click to change anchor                function functionChange() {     ... Read More

The Bitwise NOT (~) Operator performs NOT operation on the bits. You can try to run the following code to learn how to work with JavaScript Bitwise NOT Operator.Example                    document.write("Bitwise NOT Operator");          // 7 = 00000000000000000000000000000111          document.write(~7);          

By running the command START TRANSACTION, a user can start new MySQL transaction. The behavior of the transaction will depend upon the SQL AUTOCOMMIT mode. The default mode is ‘AUTOCOMMIT ON’ mode where each MySQL statement is considered as a complete transaction and committed by default when it finishes. It ... Read More

The contains() method of String class returns true if and only if this string contains the specified sequence of char values.ExampleLive Demoimport java.lang.*; public class StringDemo {    public static void main(String[] args) {       String str1 = "tutorials point", str2 = "http://";       CharSequence cs1 = ... Read More