To sum the numbers using the Java Streams, use different methods such as MapToInt(), reduce(), collect(), and IntStream() as shown in this article.
How to Copy a File in Java? | 5 Ways
The Java file copy operations can be performed by using public classes, built-in methods, third-party libraries, or different packages as shown in this guide.
How to Sort() a List in Java?
To sort a List in Java, you can use Collections.sort(), Comparator.naturalOrder(), Stream.sorted(), List.sort(), Ordering class of the Guava Library, etc
How to Get the ASCII Value of a Character in Java?
To determine the ASCII value of a character in Java, you can use Format class, brute force method, type casting, etc as shown in this guide.
How to Throw Exceptions in Java?
To throw a Java exception, the “throw” statement creates a new Exception with a custom message. The exception thrown will be caught by the relevant catch block.
How to Get File Size in Java?
To get the Java file size, use the length() method of the File class, available() method of FileInputStream class, or size() method of the FileUtils class, etc.
How to Use Increment ++ Operator in Java
Increment “++” is one of the unary operators in Java that increments the variable value by one. It is used either as a pre-increment “++i” or post-increment “i++”.
How to Find Factorial of a Number in Java Using Recursion
Create a recursive function that takes a number and multiplies it with its preceding numbers recursively until the base condition is fulfilled.