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May 21st, 2019
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Java 1.02 KB | None | 0 0
  1. package bexame1app;
  2. import java.util.*;
  3.  
  4.  
  5. public class BExamE1App {
  6. static ArrayList<Double>dList=new ArrayList<>();
  7.  
  8. static void putToArrayList(double d){
  9.     dList.add(d);
  10. }
  11.  
  12. static void printArrayList(){
  13.     for(int i=0;i<dList.size();i++){
  14.     System.out.println(dList.get(i));
  15.     }
  16.        
  17. }
  18.  
  19. static int greaterTimes(double D){
  20.     int counter=0;
  21.     for(int i=0;i<dList.size();i++){
  22.         if(dList.get(i)>D){
  23.             counter++;
  24.         }
  25.     }
  26.  
  27.     return counter;
  28. }
  29.  
  30. static double randomDouble(){
  31.     Random rand=new Random();
  32.     int rng=rand.nextInt(dList.size());
  33.    
  34.     return dList.get(rng);
  35. }
  36.  
  37.     public static void main(String[] args) {
  38.        
  39.         putToArrayList(12.5);
  40.         putToArrayList(15);
  41.         putToArrayList(125);
  42.         putToArrayList(1.5);
  43.         putToArrayList(5.5);
  44.        
  45.         printArrayList();
  46.        
  47.         System.out.println(greaterTimes(12));
  48.        
  49.         System.out.println(randomDouble());
  50.            
  51.      
  52.     }
  53.    
  54. }
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