Java – 5 ways to iterate through TreeMap
In this article, we will discuss various ways to iterate through TreeMap. We will list down various Map implementation classes and their key property like element/objects storing-order 1. Read More
Tag: string
Java – Iterate through TreeSet in 3 ways
In this article, we will discuss various ways to iterate through TreeSet – 3 ways Various ways to iterate through TreeSet: Enhanced for-loop introduced in Java 1.5 version Iterating Read More
Java – Interview program on String using null
In this article, we will discuss a sample program on String which is commonly asked to test skill on String Q) What will be output Read More
Java – Sorting Collection of String, StringBuffer and StringBuilder
In this article, we will discuss how to sort collection of, String StringBuffer StringBuilder In Collection framework hierarchy, below classes sorts value/objects stored by-default in Read More
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
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 – 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
Java – How to Sort HashSet in 2 ways ?
In this article, we will discuss how to sort HashSet in 2 ways. Already, in one of the earlier article we discussed about HashSet sorting Read More
Java – Reversing a String by word using StringTokenizer
In this article, we will discuss how to reverse a string by word using StringTokenizer class Note: StringTokenizer is deprecated, however it is carried forward Read More
Java – Count number of tokens using StringTokenizer
In previous article, we have discussed about StringTokenizer class with various delimiters for splitting a String Next question is, Q) Whether it is possible to Read More
Java – StringTokenizer class with example
In this article, we will discuss StringTokenizer class in detail and how it helps in splitting String based on various delimiter 1. StringToknizer class : Read More
Java – Convert first character of every word to Uppercase
In this article, we will discuss how to convert first character of every word to uppercase For conversion, we will use either StringTokenizer class split() Read More
Java – Difference between capacity() and length() methods of StringBuffer ?
In this article, we will discuss difference between capacity() and length() methods of StringBuffer in detail with example Often times, this two methods get confused Read More
Java – How to append new line to StringBuffer ?
In this article, we will discuss how to append newline to StringBuffer There are ways to append newline to StringBuffer or StringBuilder object, we will Read More
Java – How to clear or delete StringBuffer contents ?
In this article, we will discuss how to clear or delete StringBuffer contents 1. Clearing StringBuffer contents: Here, Start-index for the contents i.e.; 0 end-index Read More
Java – String v/s StringBuffer v/s StringBuilder
In this article, we will discuss difference between String, StringBuffer and StringBuilder in detail with example on performance Let us move forward and discuss difference Read More