In this tutorial, you will learn how to create a File filter in Java. A file filter in this case is a program to filter text files in a directory. There are different approaches to achieve this in Java. The techniques covered in this tutorial include: The first two methods Read more…
In this tutorial, you will learn how to convert a String to a String Array in Java. There are two approaches you can use depending on the output desired. The first approach is to convert the individual sequence of characters to a String Array. The second approach will use the Read more…
In this tutorial, you will learn how to create String templates in Java. A String template is a String created with dynamic variables as part of the String. For example, a String created using data from the database is a String template. A common use case for String templates is Read more…
In this tutorial, you will learn how to convert a Double to a String in Java. The double data type is one of the primitive types in Java that you can use when working with numerals. When working with decimals, this is the recommended type to go for. Despite this, Read more…
In this tutorial, you will learn how to convert an InputStream into a String in Java. The tutorial will cover the recommended approaches and the most straightforward ones. For those new to InputStream, it is a class used to read bytes of data. These data can be from a file, Read more…
In this tutorial, you will learn how to convert an Integer to a String. There are two main approaches that you can leverage to achieve this. The first approach is to use the toString() method of Integer and the latter is to use the valueOf() method of String. Using the Read more…
In this tutorial, you will learn how to get the last character of a String in Java. To achieve this, you will leverage the substring() and charAt() methods of the String class. These are the two common approaches you can use to get the last character of a String in Read more…
The if keyword works with conditional statements to control the flow of a program. The conditional statements must be any expressions that return a boolean value. There are various String expressions you can use in the conditional statement. One of these expressions is comparing String in Java. In this tutorial, Read more…
Have you encountered an API that returns encoded data? How do you decode the data to use in your application? If this is a challenge to you, don’t worry, we’ve got you covered. In this tutorial, you will learn how to convert byte array to String and vice versa in Read more…
Java provides different classes that you can leverage when working with Strings. Some of these classes include StringBuffer and StringBuilder. Some of the common features you can use with these classes are to append or insert a String to another String. Nonetheless, how do you know the difference between these Read more…
