After a thread is started, via its start() method or that of the Thread class, the JVMinvokes the thread's run() method when the thread is initially executed.

RV

• Oct 7th, 2017

If we havent define run() method within child Class... and we call start() mathod throght child object...
and o/p will be Blank screen

subashrivasudevan

 Profile Answers by subashrivasudevan Questions by subashrivasudevan

• Nov 21st, 2008

Start method invokes it.It may or may not get executed immediately.

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Akshat Rathore

• Oct 7th, 2017

ArrayList :
New Capacity : Current Capacity * 3/2 + 1

Akshat

• Oct 7th, 2017

Initial capacity of Vector is 10. If we add 11th element it will increase to 20 and if we insert 21th element capacity will increase to 40. Hence New Capacity = Current Capacity * 2

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A) EncapsulationB) ClassC) InheritenceD) Polymorphism

Pravin Chavan

• Sep 29th, 2017

Inheritance

Uday THakare

• Aug 24th, 2017

Encapsulation

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A) One B) Two C) ThreeD) Four Explanation: There are 3 types of comments namely Single-line, Multi-line and Documentation comment

Ernie B

• Sep 27th, 2017

I would answer 2 depending on what you mean by "type of Comments..". This question can potentially be answered as follows:

Documentation Comment
* uses multi-line style

Implementation Comment
* uses traditional style (end of line or single line)

samiullah

 Profile Answers by samiullah Questions by samiullah

• Feb 28th, 2014

Three

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A) doubleB) intC) longD) float

Uday

• Aug 24th, 2017

C) long

cool2sathish

 Profile Answers by cool2sathish Questions by cool2sathish

• Dec 1st, 2016

Long
public static native void sleep(long millis) throws InterruptedException;

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Shahnoor Alam

• Aug 28th, 2017

Inheritance is an OOPS concept by which a class can acquire the characteristics of another class. The class that does the inheriting is called a subclass. Therefore, a subclass is a specialized version of a superclass.

amrutabhavana

 Profile Answers by amrutabhavana Questions by amrutabhavana

• Sep 4th, 2011

Inheritance is acquiring properties of one class from another class, the class which is inherited is called base class and the class which acquir the properties is called derived class. eg: {geshibot...

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Uday

• Aug 24th, 2017

In Software developement, we provide solutions to real life problems of people, but real life is not procedural in real life there are objects dealing with objects and object ahve some basic characteristics hence arised object oriented approach.

Anand Sami

• Oct 7th, 2016

Everything is an objects, so we are using the Oops concepts

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A) EncapsulationB) ClassC) InheritenceD) Polymorphism

jagmeet

• Aug 10th, 2017

Encapsulation

dhivya

• Jun 9th, 2016

Encapsulation

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A) s.concat( )B) s.toUpperCase( )C) s.replace( )D) s.valueOf( )

MD MERAJ AHMED

• Jul 25th, 2017

A) s.concat( )

mavrick_joe

 Profile Answers by mavrick_joe Questions by mavrick_joe

• Apr 19th, 2006

I feel that all of them should be marked 'coz if we write s = s.concat() or any other method, then 'coz strings are immutable so a new string will be formed and hence the reference would change.

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class Test{
public static void main(String [] args){
int a=8;
a=--a+a--+a++;
System.out.println(a );
}}

steven.mtl

• Jul 13th, 2017

20

shanga

• Jun 7th, 2017

What is byte of code in the context of Java?

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A dead thread cannot be restarted.

Swapnil Srivastav

• Jul 10th, 2017

It can be started if you program it in that way.
Use ThreadPoolExecutor.

Trimoorthy

• May 23rd, 2006

You can start a dead thread. The dead thred is just an object but can not be instantiated

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Lucky

• Jun 5th, 2017

Run Time Polymerphismis achieving which object method should invoked during runtime instead of compile time and when you call a method using that pointer the corresponding derived class method is called instead of base class method.

parul agarwal

• Jul 31st, 2011

Polymorphism is the capability of an action or method to do different things based on the object that it is acting upon. In other words, polymorphism allows you define one interface and have multiple ...

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The if statement is used to select among two alternatives. It uses a boolean expression todecide which alternative should be executed. The switch statement is used to select among multiple alternatives. It uses an int expression to determine which alternativeshould be executed.

Shahzad

• May 29th, 2017

No. There is also a default statement in the if-else structure. That is, else statement. Conceptually, else statement in if-else structure do the same work as default statement do in switch structure...

crow

• May 18th, 2017

The main difference is that switch despatches immediately to the case concerned, typically via an indexed jump, rather than having to evaluate all the conditions that would be required in an if-else c...

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Shailesh Shinde

• May 25th, 2017

Synchronization makes sure that shared resources or data can be accessed by only one thread at a time while execution. its advantage is that it prevent data inconsistency and disadvantage is that it makes execution slower as it makes other thread wait till current thread completes execution.

sajid

• Oct 8th, 2015

Synchronization we can call only one thread between multiple threads. Ex: ATM transaction

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An interface may be declared as public or abstract.

Aarti Suryawanshi

• May 20th, 2017

Public or abstract and from JDK 1.8, you may have default and static methods in an Interface.

sujatham

 Profile Answers by sujatham Questions by sujatham

• Aug 2nd, 2007

Public  or abstract.

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A) It enables you to access instance variables of any objects within a classB) It enables you to store values in instance variables of an objectC) It is used to call object methodsD) It is to create a new object

jagdish

• May 16th, 2017

This is use for combine

Code
<?php 
$a= "hello friend";
echo      "<br>".$a."</br>";
?>
//this is use for combine

Shashank Bilonia

• Aug 24th, 2016

A, B, C

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RAAJKUMAR.S

• May 18th, 2017

This is the code for binary tree in java"java public class bTree { bnode root=null; void add(int val){ bnode newnode= new bnode(val); bnode curr = this.root; bno...

John

• Mar 15th, 2005

This article introduces the basic concepts of binary trees, and then works through a series of practice problems with solution code in C/C++ and Java. Binary trees have an elegant recursive pointer st...

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The java.awt.AWTEvent class is the highest-level class in the AWT event-classhierarchy.