Java: Add elements to arraylist with FOR loop where element name has increasing number

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故里飘歌
故里飘歌 2020-12-19 08:26

I have an arraylist where I want to add elements via a for loop.

Answer answer1;
Answer answer2;
Answer answer3;

ArrayList answers = new Array         


        
8条回答
  •  借酒劲吻你
    2020-12-19 08:47

    Using Random function to generate number and iterating them on al using for loop

    ArrayList al=new ArrayList(5);
        for (int i=0;i<=4;i++){
    
           Random rand=new Random();
            al.add(i,rand.nextInt(100));
            System.out.println(al);
        }
    System.out.println(al.size());
    

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