Java 8 – Optional class in detail
In this article, we will discuss Optional class in detail and understand why it is needed/introduced in Java 1.8 version and how to avoid/handle (or Read More
Tag: string
Java 8 – How to Reverse a String in place ?
In this article, we will see how to reverse a String in place using traditional & Java 8 Stream approaches 1. Traditional approach : ReverseStringInPlace.java Read More
Java 8 – How to find common & uncommon elements from 2 Lists ?
In this article, we will discuss how to find and print common & uncommon elements from 2 Lists (or ArrayList) There are different ways to Read More
Java – How to check if a String is an Integer ?
In this article, we will discuss how to check if a String is an Integer or not using different String literals Check String is an Read More
Java 8 – How to convert String to ArrayList ?
In this article, we will discuss how to convert Comma-separated string values into List or specifically ArrayList We will illustrate 2 examples for converting comma-separated Read More
Java – How to compare 2 Date instances using Date.compareTo() method ?
In this article, we will discuss how to compare 2 Date instances using compareTo() method 1. Date.compareTo() method : 2. Date.compareTo() example : Compare2Dates.java Output Read More
Java – How to convert YAML to XML using Jackson ?
In this article, we will discuss how to convert YAML file to XML file using ObjectMapper or Jackson library 1. Required libraries : 1.1 Maven Read More
Java – How to convert XML to YAML using Jackson ?
In this article, we will discuss how to convert XML file to YAML file using ObjectMapper or Jackson library 1. Required libraries : 1.1 Maven Read More
Java – How to pretty-print JSON using ObjectMapper ?
In this article, we will discuss how to pretty print JSON using Jackson or ObjectMapper 1. Required libraries : 1.1 Maven Co-ordinates : 1.2 JAR Read More
Java – How to pretty-print JSON using JSONObject ?
In this article, we will discuss how to pretty print JSON using JSONObject 1. Required libraries : 1.1 Maven Co-ordinates : 1.2 JAR files to Read More
Java – How to convert XML to JSON using ObjectMapper ?
In this article, we will discuss how to convert XML file to JSON file using ObjectMapper or Jackson library 1. Required libraries : 1.1 Maven Read More
Java – How to convert JSON to XML using ObjectMapper ?
In this article, we will discuss how to convert JSON file to XML file using ObjectMapper or Jackson library 1. Required libraries : 1.1 Maven Read More
Java – How to convert JSON to XML using JSONObject ?
In this article, we will discuss how to convert JSON file to XML file using JSONObject 1. Required libraries : 1.1 Maven Co-ordinates : 1.2 Read More
Java – How to convert XML to JSON using JSONObject ?
In this article, we will discuss how to convert XML file to JSON file using JSONObject 1. Required libraries : 1.1 Maven Co-ordinates : 1.2 Read More
Java – How to remove first and last character from a String ?
In this article, we will learn how to remove 1st and last character from a String using String‘s methods and StringBuffer/StringBuilder method in different ways Read More
Java – How to find first and last character in a String ?
In this article, we will learn how to find/get 1st and last character in a String using String‘s methods & StringBuffer/StringBuilder method in different ways Read More
Java 8 – How to Iterate over char[] Arrays ?
In this article, we will learn how to iterate over char[] Arrays in different ways Iterate over char[] Arrays : Using Java 8 Stream.chars() method Read More
Java 8 – How to convert Roman letter/numbers to Integer ?
In this article, we will learn how to convert Roman letters (I, II, III, IV, V, VI, etc.,) into Integer (1, 2, 3, 4, 5, Read More
Java 8 – How to count length of last word in a String ?
In this article, we will learn how to count length of last word in a String using String‘s length() method Count length of Last word Read More
Java 8 – How to remove last comma (,) from String ?
In this article, we will learn how to remove last comma (,) from a String using String‘s substring() method and Java 8 Stream Remove last Read More