import java.util.Scanner; // Scanner is in the j public class ComputeAreaWith ConsoleInput { public static void main(String[] args) { // Create a Scanner object Scanner input = new Scanner(System.in); // Prompt the user to enter a radius System.out.print("Enter a number for radius: "); double radius = input.nextDouble(); // Compute area double area = radius * radius* 3.14159; // Display result System.out.println("The area for the circle of radi radius + ' " + area); is "

import java.util.Scanner; // Scanner is in the j public class ComputeAreaWith ConsoleInput { public static void main(String[] args) { // Create a Scanner object Scanner input = new Scanner(System.in); // Prompt the user to enter a radius System.out.print("Enter a number for radius: "); double radius = input.nextDouble(); // Compute area double area = radius * radius* 3.14159; // Display result System.out.println("The area for the circle of radi radius + ' " + area); is "

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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import java.util.Scanner; public class leapYearLab { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int userYear; boolean LeapYear; System.out.println("Enter the year"); userYear = scnr.nextInt(); isLeapYear(userYear); //if leap year if (isLeapYear){ System.out.println(userYear + " - leap year"); } else{ System.out.println(userYear + " - not a leap year"); } scnr.close(); } public static boolean isLeapYear(int userYear){ boolean LeapYear; /* Type your code here. */ if ( userYear % 4 == 0) { // checking if year is divisible by 100 if ( userYear % 100 == 0) { // checking if year is divisible by 400 // then it is a leap year if ( userYear % 400 == 0) LeapYear = true; else LeapYear = false; } // if the year is not divisible by 100 else…
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import java.util.Scanner; public class StateInfo { /* Your code goes here */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String stateCode; String stateName; stateCode = scnr.next(); stateName = scnr.next(); printStateInfo(stateCode, stateName); }}
StringFun.java import java.util.Scanner; // Needed for the Scanner class 2 3 /** Add a class comment and @tags 4 5 */ 6 7 public class StringFun { /** * @param args not used 8 9 10 11 12 public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Please enter your first name: "); 13 14 15 16 17 18 System.out.print("Please enter your last name: "); 19 20 21 //Output the welcome message with name 22 23 24 //Output the length of the name 25 26 27 //Output the username 28 29 30 //Output the initials 31 32 33 //Find and output the first name with switched characters 34 //All Done! } } 35 36 37