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If you are preparing for Programming Job interviews and looking for some of the best books for programming questions then you have come to …

In this part of Java programming mistakes, we will take a look at another common pattern, where programmers tend to use "==" ope…

Jika pada posisi perintah sebagaimana contoh ke-tiga dari rangkaian ini dipanggil: make_3Dbar_graph, maka akan diperoleh grafik batang 3D. …

1.  unit Unit1; 2.  interface 3.  uses 4.    Windows, Messages, SysUtils, Classes, 5.    Graphics, Controls, Forms, Dialogs, StdCtrls, ComC…

This Java tips is about, how to reverse array in Java, mostly primitive types e.g. int , long , double and String arrays. Despite of Java…

Writing or creating immutable classes in Java is becoming popular day by day, because of concurrency and multithreading advantage provided …

There are multiple ways to combine or join two arrays in Java, both for primitive like int array and Object e.g. String array. You can even…

How to swap two numbers without using temp or third variable is common interview question not just on Java interviews but also on C and C++…

There are several ways to convert XMLGregorianCalendar to Date in Java. You can convert XMLGregorianCalendar to either java.util.Date or …

From Java 5 onwards it's easy to left pad Integers with leading zeros when printing number as String. In fact, You can use the same tec…

<c:if> or if tag of JSTL core tag library in JSP is one of the most versatile and useful tag. JSTL if tag allows you to test for a …

JSON stands for JavaScript object notation, is a lightweight text or string representation of an object and quickly becoming a popular data…

Avoiding multiple submission of HTML form or POST data is common requirement in Java web application. Thankfully, You can prevent multiple …

String in Java is considered empty if its not null and it�s length is zero. By the way before checking length you should verify that String…

Write a Java program to check if a number is positive or negative is one of the popula r Java coding interview questions , it may look easy…

You need to be careful while overloading a method in Java, especially after the introduction of autoboxing in Java 5. Poorly overloaded met…

java.util.Arrays class provides equals() and deepEquals() method to compare two Arrays in Java. Both of these are overloaded method to …

How do you find middle element of LinkedList in one pass is a programming question often asked Java and non-Java programmers in telephonic …

Recursion is one of the tough programming technique to master. Many programmers working on both Java and other programming languages like C…

How to check if a number is a palindrome or not is a variant of popular String interview question how to check if a String is a palindrom…