We can convert float to String in Java using the following methods: String.valueOf() method Float.toString() method Convert float to String in Java using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts float. Example class Test { public static void main(String[] args)…
Read More Convert float to String in JavaWe often have to extract some text that is a number. To perform some operations on that number, we must first convert it to the appropriate type. In this post, you will learn how to convert Java String to float data type. You can use the Float.parseFloat() method to parse Java String to float. public static…
Read More Convert Java String to FloatTo convert int to double in Java, we just need to assign the int value to a double. That is called implicit type casting since we convert a smaller data type to a bigger one. Example class Test { public static void main(String[] args) { int num = 128; double d = num; System.out.println(d); } }…
Read More Convert int to double in JavaWe need to perform a type casting to convert long to int in Java since we want to convert a higher data type to a lower one. Java type casting is the process of changing one data type into another. See the following example: class Test { public static void main(String[] args) { long l…
Read More Convert Long to Int in JavaConverting double to String is a common task in Java programming. In many cases, you may need to convert a double value to a String to display it in a user interface, write it to a file, or pass it as an argument to a method that expects a String. Java provides several methods for…
Read More Convert Double to String in JavaConverting a Java String to a Double is a common task in Java programming. Whether you need to perform mathematical calculations or simply display numeric values, it’s important to know how to convert Strings to Doubles accurately and efficiently. In this tutorial, I will guide you through the process of converting a Java String to…
Read More Java String to a Double Conversion: Tips and Best PracticesWe can convert Java Long to String using the following methods: String.valueOf() method Long.toString() method Convert Java Long to String using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts a long data type. Example class Test { public static void…
Read More Convert Java Long to StringWe often have to extract some text that is a number. To perform some operations on that number, we must first convert it to the appropriate data type. In this post, you will learn how to convert Java String to long. The parseLong() method in Java is a static method that can be used to…
Read More Convert Java String to LongIn one of the previous posts, we covered the conversion of a Decimal to Hexadecimal. Here, you will learn how to convert Hexadecimal to Decimal in Java. We will explore the following ways: Using the parseInt() method Using custom logic Convert Hexadecimal to Decimal in Java using the parseInt() method Integer class has a static…
Read More Convert Hexadecimal to Decimal in JavaThere are two ways to convert Decimal to Hexadecimal in Java: Using the toHexString() method With a custom logic Convert Decimal to Hexadecimal in Java using the toHexString() method The easiest way is to use the ToHexString() static method of the Integer class to get the Hexadecimal String of a Decimal number. Example class Test { public…
Read More Convert Decimal to Hexadecimal in JavaIn this post, you will see how to convert Decimal to Binary in Java using the following ways: Using toBinaryString() method With custom logic Convert Decimal to Binary in Java using the toBinaryString() method There is a toBinaryString() method of the Integer class that we can use to get the Binary String of a Decimal…
Read More Convert Decimal to Binary in JavaWant to learn how to merge two ArrayLists in Java? In this post, we will cover the following ways: Using the List.addAll() method Using the Java 8 Streams Using the ListUtils.union() method Merge two ArrayLists in Java using the List.addAll() method There is addAll() method from the List interface that appends all of the elements in…
Read More How to merge two ArrayLists in Java?In this post, you will learn how to Serialize and Deserialize an ArrayList in Java using the FileOutputStream and FileInputStream classes. How to Serialize an ArrayList in Java? Serialization is the process of changing the state of an object into a byte stream. For example, we use it to write some Java objects into a file. In…
Read More Serialize and Deserialize an ArrayList in JavaNeed to remove a character from String in Java? You can do that by converting the String to a StringBuilder class and using the deleteCharAt() method that removes the character at a specified position. Example class Test { public static void main(String[] args) { String str = “Learn Java”; str = new StringBuilder(str).deleteCharAt(5).toString(); System.out.println(str); } }…
Read More Remove a Character from String in JavaIn this post, you will learn to create a Singleton class in Java. Let’s first see what Singleton class is. What is a Singleton class in Java? A Singleton class in Java is a class that can have only one object at a time. Singleton’s purpose is to control object creation. We can ensure that only one…
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