// Declares String reference variable str1 and str2 String str1; String str2; // Assigns the reference of a String object "Hello" to str1 str1 = new String( "Hello World !!" ); // Assigns the reference stored in str1 to str2 str2 = str1; System.out.println( str1 ); //Hel...
Through the previous three blog posts on the implementation of Spring Boot asynchronous tasks, we have learned use @Async to create asynchronous ta...
import java.util.Arrays; import java.util.Random; public class ShuffleArray { public static void main(String[] args) { int[] array = { 1, 2, 3, 4, 5, 6, 7 }; Random rand = new Random(); for (int i = 0; i < array.length; i++) { int randomIndexToSwap = rand.nextInt(...
Use Recursion to Restart a Program Without a Stopping Condition import java.util.*; import java.util.Scanner; class Main { public static void addNumbers() { Scanner sc = new Scanner(System.in); System.out.print("Enter the first number: "); int num1 = sc.nextInt(); System.out.print...
import java.util.Scanner; public class NewNum { public static void main(String args[]) { Scanner oddevn = new Scanner(System.in); System.out.println("Provide a number: "); int prdnum = oddevn.nextInt(); String oddEven = (prdnum % 2 == 0) ? "even" : "odd"; System.out....
Learn to generate an infinite stream of elements in Java. We willuseStream.generate()andStream.iterate()methods to get infinite streams. 1. Overview This is very important to note that Java Streams are lazy by design. So: Thegenerate()anditerate()methods are intermediate operations, so theact...
InJava, there is a methodrandom()in theMathclass, which returns a double value between0.0 and 1.0. In the class Random there is a methodnextInt(int n), which returns a random value in the range of 0 (inclusive) and n (exclusive). ...
Java Copy Explanation The nextInt(min, max + 1) method generates a random integer within the specified range. Output 4. Using SecureRandom For cryptographic applications where security is paramount, use the SecureRandom class, which provides a strong source of randomness. import java.security.SecureR...
Use the following methods to create infinite streams in Java. iterate(seed, function)– accepts two parameters – aseedwhich is the first term in the stream, and afunctionto produce the value of the next item in the stream. We can limit the stream using thelimit()method. ...
Java module java.base includes another version of Random class inside java.util Package. This version of random number is in integer form only. So, there is no need to typecast as we did for Math.random() output. Here we extensively use nextInt(size) method. The method nextInt() returns...