Java – 3 types of for-loop
In this article, we will discuss different types of for-loop evolved over years in various Java versions Starting Java 1.1 version, for-loop was always there Read More
Author: SJ
JavaScript – Remove leading and trailing whitespaces from String
In this article, we will discuss how to remove leading and trailing whitespace from a JavaScript String Often JavaScript is used to display string returned Read More
Eclipse IDE – How to generate getters and setters ?
In this article, we will discuss how to generate getters & setters for all member variables of a class 1. Earlier era : Often for Read More
Eclipse IDE – How to generate constructor using fields ?
In this article, we will discuss how to generate constructor with fields for a Java class 1. Earlier era: Often for any POJO, writing constructor Read More
Eclipse IDE – How to comment and uncomment line & block ?
In this article, we will discuss how to comment & un-comment lines and block of code in Eclipse IDE At certain times, we want to Read More
Eclipse IDE – How to build Java project automatically ?
In this article, we will discuss how to build Java projects automatically in Eclipse IDE Eclipse IDE: Eclipse IDE provides number of features to make Read More
Eclipse IDE – How to clean projects ?
In this article, we will discuss how to clean projects in Eclipse IDE 1. To clean projects in Eclipse IDE : Go to Menu option Read More
Eclipse IDE – How to GO TO any line number directly ?
In this article, we will discuss how to jump to any line number of a file in Eclipse IDE. The file can be of any Read More
Eclipse IDE – How to remove unused imports ?
In this article, we will discuss how to remove unused imports in Eclipse IDE 1. To remove unused imports in Eclipse IDE: This is basically Read More
Eclipse IDE – How to show line numbers ?
In this article, we will discuss how to enable/display line numbers in Eclipse IDE for any files like .java, .xml or .jsp Q) Why it Read More
Java – How to left pad with zeroes to a String ?
In this article, we will discuss how to left pad with zeroes to a String. Actually, there are number of options and library available for Read More
Java – Overriding toString() method to print values of ArrayList
In this article, we will discuss and understand why we need to override toString() method for displaying ArrayList contents Problem statement for ArrayList : Assume Read More
Java – JDBC program to connect IBM DB2 database running on Mainframe z/OS system
In this article, we will learn and list down the steps to connect IBM DB2 database running on Mainframe z/OS system in Java and finally Read More
Java – To print first N natural numbers
In this article, we will discuss how to print n natural numbers in Java Printing first N natural numbers : Using for loop Using while Read More
Java features version-wise
In this article, we will discuss features introduced in different versions of Java or J2SE or Java SE or JDK Below terms / abbreviation are Read More
Java – Swapping two numbers without temporary variable
In this article, we will discuss one of the famous interview question on how to swap two numbers without using third/temporary variable Actually, there are Read More
Java – Converting StringTokenizer tokens into ArrayList
In this article, we will discuss how to convert StringTokenizer tokens into ArrayList Few things to note: StringTokenizer is deprecated now, but however it is Read More
Java – Merging two String[] Array and Sorting
In this article, we will discuss how to merge two arrays and then sort according to natural order i.e.; ascending order. Well, by passing Comparator Read More
Java – Sorting Arrays in Ascending and Descending order
In this article, we will discuss how to sort Arrays in both ascending and descending order 1. Sorting Arrays in Ascending order : Passing original/actual Read More
Java – String Array sorting with example
In this article, we will discuss how to sort String[] array with example Arrays class has various sort methods for sorting different primitive data-types and Read More