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  1. Practice
  2. Java
  3. Data Structures
  4. Java Generics
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Java Generics

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  • TaNbEaRo
     + 10 comments

    More Test cases are needed. Now this absolutely stupid and useless code can pass the test

    class Printer
{
    boolean wasRun;
   
    public void printArray(Object o) {
       if(wasRun) {
           return;
       }
        System.out.print("1\n2\n3\nHello\nWorld\n");
        wasRun = true;
   }
 
}

  • MannB3ast
     + 9 comments

    MyCode{

    //method needs to be public 
//because separate solution class will attempt to access it
public <T> void printArray(T[] array){
    for(T item: array){
        System.out.println(item);
    }
}

    }

  • hanlins
     + 8 comments

    Simple hack:

    class Printer
{
    //Write your code here
    public void printArray(Object[] array) {
        for (Object obj : array) {
            System.out.println(obj);
        }
    }
}

  • RodneyShag
     + 3 comments

    Java solution - passes 100% of test cases

    From my HackerRank solutions.

    class Printer {
    public <T> void printArray(T[] array) {
        for (T item : array) {
            System.out.println(item);
        }
    }
}

    Let me know if you have any questions.

  • mdocevski
     + 1 comment

    Doesn't really challenge knowledge of genercics

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