Why do we need wrapper classes, Why do we need wrapper classes? It is s...

Why do we need wrapper classes? It is sometimes simpler to deal with primitives as objects. Moreover most of the collection classes keep objects and not primitive data types. A

Difference between other regular methods and constructors,

Design a program for robot, Assume all the obstacles are of height 4 units ...

Assume all the obstacles are of height 4 units and the blocks are of heights 1 (bottom), 2 (top), 1 and 2 (top) units respectively.  Complete the control() method of the RobotContr

What are synchronized methods and synchronized statements, What are synchro...

What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to an object. A thread only implements a synchronize

Java, what is java

what is java

Write a code in java to explain the while loop in java, Write a code in jav...

Write a code in java to explain the while loop in Java? // This is the Hello program in Java class Hello { public static void main (String args[]) { System.out.print("

What is an abstract class, What is an abstract class? Abstract class mu...

What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not

List the unexpected quotients in java, List the unexpected quotients in jav...

List the unexpected quotients in java? 2/3 = 0 3/2 = 1 1/0 = ArithmeticException 0/0 = ArithmeticException 1.0/0.0 = Inf 1.0/0 = Inf 0.0/0.0 = NaN -1.0/0.0

Collections, Write a program to proove that HashSet maintains random order

Write a program to proove that HashSet maintains random order

I need liferay especialist, I need Liferay Especialist Project Descripti...

I need Liferay Especialist Project Description: We want a JAVA + JSF + Portlets expert Liferay expertise is needed Big Data and Online Tools + Multilingual Portal & Websit