Using Scanner Class:import java.io.*; import java.util.*; public class TestClass{ public static void main(String[] args) { try { FileInputStream fis = new FileInputStream("in.txt"); String str = new Scanner(fis,"UTF-8").useDelimiter("\\A").next(); System.out.println(str); } ...
publicclassStringPrint{publicstaticvoidmain(String[]args){String str="This is a string stored in a variable.";System.out.print(str);System.out.print("Second print statement.");}} Output: UsingScannerInput andprintlnMethod to Print a String in Java ...
Convert an InputStream to a string using Scanner You can use the Scanner class as well for converting an instance of InputStream to a string, as shown below: try (InputStream stream = Files.newInputStream(Paths.get("input.txt"))) { // create a scanner object Scanner scanner = new Scan...
In the following I will describe how to read the input in Java. We will examine the Scanner class and then write our own class for faster input reading. Using the Scanner class We can read the input using the Scanner class: importjava.util.*;publicclassMain{publicstaticvoidmain(String[]ar...
While using Scanner, we are reading the line, and if there is no line left to read, it will throw the NoSuchElementException. See example: package delftstack; import java.util.*; public class Example { public static void main(String args[]) { String DemoString = "Hello, This is delft...
1. Read string from console input In this example, we shall define aScannerwith the input stream,System.in. System.increates a standard input stream which is already open and ready to supply input data. Scanneris simple text scanner which can parse primitive types and strings using regular ex...
Using Scanner class Using BufferedReader classs In this post, we will see how to take input from user in java. There are times when you want to take input from user and run program according to user input. There are many ways to take input from user and some of them are: Using Scann...
import java.util.*; class ReverseString { public static void main(String args[]) { //declaring string objects String str="",revStr=""; Scanner in = new Scanner(System.in); //input string System.out.print("Enter a string :"); str= in.nextLine(); //get length of the input s...
String data = readFromInputStream(inputStream); Assert.assertThat(data, containsString(expectedData)); } In the above code snippet, we used the current class to load a file usinggetResourceAsStreammethod and passed the absolute path of the file to load. ...
1) Java Number Pattern Example 1 5 4 3 2 1 4 3 2 1 3 2 1 2 1 1 Program importjava.util.Scanner;publicclassPattern1{publicstaticvoidmain(String[]args){Scanner sc=newScanner(System.in);System.out.print("Enter number of rows: ");introws=sc.nextInt();System.out.println("Here is ...