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Saturday, 20 December 2014
Wednesday, 10 December 2014
Difference between equals() and ==
Difference between equals() and ==
Difference between equals() and ==
Hi all , these days i\'m about to write a post on very fashionable interview question that is what\'s the difference between equals and == .It is asked in every object familiarised language interview whether or not its Java or ASP.NET...
Sunday, 7 December 2014
How to create custom Exception in Java
How to create custom Exception in Java
Custom Exception
Why we need custom Exception ?
How to create a custom
exception ?
Write code to create a Custom
Exception
All these are questions usually
asked in a Java interview .So my today's post on how to create a custom
exception in java .
As we know...
Sunday, 30 November 2014
What is design pattern in java?
design pattern in java
Design Pattern :
Design pattern are answer to common occurring problem in software system development . Design pattern are language independent solution that are developed to solve common object oriented issues .
They if used sensibly helps to extend code maintainability...
Count the Number of Vowels in Java String
import java.util.Scanner;
public class SB
{
public static void main(String[] args) {
{
String test=null;
int j=0;
char index[]={'a','e','i','o','u'};
System.out.println("Enter the string");
test= new Scanner(System.in).nextLine();
for (int i = 0;...
find the substring count from a string without string functions in java
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
public class SB
{
public static void main(String[] args) {
{
String test=null;
String index=null;
int j=0;
System.out.println("Enter the string");
...
Program to remove a particular character from a sentence
public class SB
{
public static void main(String[] args) {
{
String test=null;
char remove = 0;
System.out.println("Enter the String");
test = new Scanner(System.in).nextLine();
System.out.println("Enter the Character to be removed");
remove=new Scanner(System.in).nextLine().charAt(0);
...
Saturday, 29 November 2014
Program to find a prime number in java
import java.util.Scanner;
public class SB
{
public static void main(String[] args) {
System.out.println("Enter the limit uptoo which you want to print prime no.");
int in = new Scanner(System.in).nextInt();
int limit =in;
for (int i = 2; i <=limit; i++) {
For further...
Thursday, 27 November 2014
Count no.of times a word repeats in String in Java
public class SB
{
public static void main(String[] args) {
String test="Hi I am here am am too good am very a m";
String find="am";
int i=0;
String a[]=test.split(" ");
for (int j = 0; j < a.length; j++) {
if(a[j].equals(find))
{
i++;
}
}
System.out.println(i);
...
Program in java to find a String in a sentence
Hi all
I am writing a program to find whether a particular word exists in a sentence or not .
public class SB
{
public static void main(String[] args) {
String test="Hi I am here";
String find="am";
if(test.indexOf(find)>0)
{
System.out.println("found ");
}
else
...
Tuesday, 25 November 2014
Top Java Collections interview Questions
1.What is Java Collection Framework?
Ans : Java Collections Framework is also known as JCF. It is a set of classes and Interfaces that implement commonly used data structures like List ,Linked List etc.
2. Explain Collection Framework in detail or what all collections are present in Java Collection...
Monday, 24 November 2014
Java Interview Questions
Q1. How can you get to know that
whether one object belongs to a particular class ?
Ans : using instanceof
The instanceof operator tests whether an object has
in its prototype chain theprototype property
of a constructor.
Eg :
We have a class test with a object
Test...
Sunday, 23 November 2014
Life cycle of a thread in java
Life cycle of a thread in java
Life cycle of a thread contains following stages :
New
Runnable
Running
Blocked or Non running
Terminated
Release 5.0 introduced the Thread.getState method. When called on a thread, one of the following Thread.State values is returned:
NEW
RUNNABLE
BLOCKED
WAITING
TIMED_WAITING
TERMINATED
New...
Friday, 21 November 2014
Java Programs for interview
1. Program to reverse a String in Java .
2. Program to print Fibonacci series in java.
3.Program to print Fibonacci series in java using recursive method .
4.Program in java to find a String in a sentence.
5. Program to count no.of times a word repeats in String in Java
6. Program to find Prime...
Program in Java To print Fibonacci series using recursive method
( function() {
if (window.CHITIKA === undefined) { window.CHITIKA = { 'units' : [] }; };
var unit = {"calltype":"async[2]","publisher":"Harneetkaur","width":550,"height":250,"sid":"Chitika Default"};
var placement_id = window.CHITIKA.units.length;
window.CHITIKA.units.push(unit);
...
Program in Java To print Fibonacci series
Hi
all , Today I am going to write a post on popular interview program which is Write
a program in java to print Fibonacci series .
So
what is Fibonacci series
In mathematics, the Fibonacci numbers or Fibonacci
sequence are the numbers in the following integer sequence:...
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