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Java

ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points
Posted by ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points

Failed to compile

Hello I submitted my project 1 for review and I received a feedback "failed to compile in src/main/java/Jar.java" can someone please tell me what is wrong with my code despite that it working properly in the workspaces. Thanks

2 Answers

Alex Bratkovskij
Alex Bratkovskij
5,329 Points
Alex Bratkovskij
Alex Bratkovskij
5,329 Points

Hello again,

Took a quick look, your class doesnt have acces modifier (private/public/protected). There is 2 constructors for Jar, one empty and other is properly declared.

-Alex

Alex Bratkovskij
Alex Bratkovskij
5,329 Points
Alex Bratkovskij
Alex Bratkovskij
5,329 Points

Heya Harouna,

We will be able to help you if you provide us with the source code :)

-Alex

ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points
ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points

Hello Mr Alex please find below my code. Thanks

ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points
ousmane Harouna Kore
ousmane Harouna Kore
2,698 Points 
import java.util.Scanner;
import java.util.Random;
class Jar{
//declare variables  
private String itemName;
private int maxItems;
Scanner scan=new Scanner(System.in);
  //add constructor
 public Jar(){

 }

public Jar(String itemName, int maxItems ){
 this.itemName=itemName;
 this.maxItems= maxItems;
} 
  //normalize items name
 public String normalizeItemsName(String itemName){
 if(itemName.length()==0){
   throw new IllegalArgumentException("No itemName found");
  }
 for(char letter:itemName.toCharArray()){
  if(!Character.isLetter(letter)){
    throw new IllegalArgumentException("an item name made with letters is required");
  }
 }
  return itemName.toLowerCase();
}

//prompt administrator to enter the type and max numbers of items
 public void identifyItems(){
  boolean isAcceptable=false; 

 System.out.println("ADMINISTRATOR SETUP");
 System.out.println("--------------------");
  do{
 System.out.println("What type of item should go in the jar:");
 itemName= scan.nextLine();
  try{
    itemName=normalizeItemsName(itemName);
    isAcceptable=true;
  }catch(IllegalArgumentException iae){
    System.out.printf("%s. Please try again. %n",
                   iae.getMessage());
  }
  }while(!isAcceptable);

 do{
 System.out.printf("What is the maximum amount of %s that should go in the jar:",itemName);
   try{
      maxItems=Integer.parseInt(scan.nextLine());
     isCorrectNum=true;
   }catch(Exception iae){
      System.out.printf("invalid input. Please try again. %n");
   }
  }while(!isCorrectNum);
 System.out.println("--------------------.\n\n");
}
  //fill the jar with a random number
 public int fill(){
   Random rand=new Random();
   //random.nextInt(max-min+1)+min
   int randomNumber=rand.nextInt(maxItems)+1;
   return randomNumber;
 } 
  //guessing method 
  public void guessItem(){
    System.out.println("--------------------");
    System.out.println("Welcome to the guessing game!");
    boolean isCorrect=false;
    int targetNum=fill();
    int numOfTries=0;
    do{
 System.out.printf("How many %s are in the jar? Pick a number between 1 and %d :",itemName,maxItems);
      ++numOfTries;
      int guessInput=scan.nextInt();
      if(guessInput==targetNum){
        System.out.printf("Congrats! You got it in %d attempts!.%n",numOfTries);
       isCorrect=true;
      }
    }while(!isCorrect);

  }
}