Admin Admin


Posts : 140 Join date : 2011-08-01
 | Subject: java concept input output class Tue Feb 20, 2018 7:21 pm | |
| class : - Code:
-
import java.util.List; import java.awt.Event; import java.util.ArrayList; import java.util.Scanner;
public class InOut { private static List<Integer> arrList; private static List<String> arrList2; private static Integer lim; public static void stringEater() { arrList2 = new ArrayList<>(); System.out.println("enter a string or finish"); Scanner scanny = new Scanner(System.in); String in1 = scanny.next(); while(!(in1.equals("finish"))) {arrList2.add(in1);System.out.println("enter a string or finish"); in1 = scanny.next();} } public static void listcontains() { System.out.println("enter a string to search"); Scanner scanny = new Scanner(System.in); String in1 = scanny.next(); String result = arrList2.contains(in1)?"yes":"no"; // short conditional ? jutsu System.out.println(result); } public static void evenUnEvens() { // evens : System.out.println("Even nums:"); for (Integer num : arrList) { if(num%2==0) {System.out.print(" " + num);} } System.out.println(); System.out.println("unEven nums:"); for (Integer num : arrList) { if(num%2!=0) {System.out.print(" " + num);} } } public static void limInput(int amount) { arrList = new ArrayList<>(); lim = amount; System.out.println("get ready to enter " + amount + "numbers"); Scanner scanny = new Scanner(System.in); for (int i = 0; i < amount; i++) { System.out.println("enter number " + (amount - i) +" numbers to go"); arrList.add(scanny.nextInt()); } } public static int sum() { int result=0; for (Integer element : arrList) { result += element; } return result; } public static double avg() { int result=0; for (Integer element : arrList) { result += element; } return (double)result / (double)lim; } public static double choser() { int result=0; Scanner scanny = new Scanner(System.in); System.out.println("choose sum or avg"); switch (scanny.next()) { case "sum": return sum(); case "avg": return avg(); default: break; } return result; } }
main : - Code:
-
public class Main {
public static void main(String[] args) { // TODO Auto-generated method stub InOut.limInput(10); System.out.println(InOut.choser()); InOut.stringEater(); InOut.listcontains(); InOut.limInput(13); InOut.evenUnEvens(); }
}
 _________________ kurayami no kagi  | |
|