String

15 April

How to declare a String array in java

Learn about how to declare String array in java.

19 January

How to escape double quotes in String in java

In this post, we will see how to escape double quotes in String in java. There are scenarios where you need to escape double quotes already present in the String. This generally happens while dealing with JSON file format or reading file data. Escape double quotes in java Double quotes characters can be escaped with […]

24 December

How to capitalize first letter in java

Learn about how to capitalize first letter in java.

06 December

Difference between replace() and replaceAll() in java

In this post, we will see difference between String’s replace() and replaceAll() methods in java. String’s replace() and replaceAll() both replace all occurences in the String. String’s replace() takes either two chars or two CharSequences as arguments and it will replace all occurrences of char or String but replaceAll() method takes regex String as argument […]

30 September

How to compare characters in Java

Learn about how to compare characters in java using different methods.

24 April

Add character to String in java

In this post, we will see how to add character to String in java. There are multiple ways to add character to String. Add character to the start of String You can add character at start of String using + operator. [crayon-607a815f0abb9973566470/] Add character to the end of String You can add character at start […]

24 March

Initialize List of String in java

In this post, we will see how to initialize List of String in java. Can you initialize List of String as below: [crayon-607a815f0aec9704544935/] You can't because List is an interface and it can not be instantiated with new List(). You need to instantiate it with the class that implements the List interface. Here are the […]

17 March

New line character in java

In this post, we will see about new line character in java and how to add new line character to a String in different operating systems. Operating systems have different characters to denote the end of the line. Linux and new mac: In Linux, the end line is denoted by \n, also known as line […]

29 February

Java long to String

In this post, we will see how to convert long to String in java. There are lot of ways to convert long to String.Let’s see each one by one. Using Long.toString() You can use Long class toString() method to convert long to String. [crayon-607a815f0b46f389470059/] In case, Long can be null and you don’t want to […]