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public static class Student { String name; int marks; public Student(String name, int marks) { this.name = name; this.marks = marks; } @Override public String toString() { return ""+ name + " " + marks + ""; } } public static class SortByName implements Comparator<Student> { @Override public int compare(Student o1, Student o2) { return o1.marks==o2.marks ? o1.name.compareTo(o2.name) : o2.marks-o1.marks; } } public static void main(String[] args) { Scanner scanner = new Scanner(System.in); ArrayList<Student> list = new ArrayList<Student>(); int size = scanner.nextInt(); for(int i=0; i<size; i++){ list.add(new Student(scanner.next(), scanner.nextInt())); } scanner.close(); list.sort(new SortByName()); list.stream().forEach(System.out::println); }
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Java Comparator
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