JAVA

remove item from arraylist in java

//Create the ArrayList
List<Integer> al = new ArrayList<>(); 
//Add the items
al.add(10);
al.add(18);
//Remove item(1 = 2and item in list)
al.remove(1); 

arraylist remove name in java

public static void main(String[] args) {

ArrayList<String> names = new ArrayList<>(Arrays.asList("Ahmed", "John", "Eric", "Ahmed"));
    names.removeAll( Arrays.asList("Ahmed"));
    System.out.println(names); // [John, Eric]

arraylist remove value in java

// Given a list of Integers 1, 2, 3, 4, 5, 6 ....etc. remove all values greater than 100.
    public static void main(String[] args) {

ArrayList<Integer>list1=new ArrayList<>(Arrays.asList(1,2,3,50,70,80,120,150,200));
        ArrayList<Integer>list2 = new ArrayList<>();
        for(int each : list1)
            if(each<100)
                list2.add(each);

            list1 = list2;
        System.out.println(list1); // [1, 2, 3, 50, 70, 80]
    }