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63 lines (57 loc) · 1.75 KB
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package array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
public class StudentDriver {
public static void main(String[] args) {
//
// Comparator<Student> com=(o1,o2)->o1.age>o2.age?1:o1.age<o2.age?-1:0;
// Comparator<Integer> co=(o1,o2)->o1>o2?1:o1<o2?-1:0;
//
// Collection<Student> set=new ArrayList<Student>();
// TreeSet<Student> set1=new TreeSet<Student>();
//
// //List<Integer> c=(List<Integer>) new HashSet<Integer>();
//
// set.add(new Student("Akash", 26));
// set.add(new Student("sumit", 24));
// set.add(new Student("abhi", 22));
// set.add(new Student("shubham", 27));
//
// set1.add(new Student("Akash", 26));
// set1.add(new Student("sumit", 24));
// set1.add(new Student("abhi", 22));
// set1.add(new Student("shubham", 27));
//
//
// //Collections.sort(set, com);
//
// System.out.println(set);
//
//
// TreeMap<Integer, Student> tmap=new TreeMap<Integer, Student>(co);
// tmap.put(17, new Student("Akash", 26));
// tmap.put(21, new Student("sumit", 24));
// tmap.put(3, new Student("abhi", 22));
// tmap.put(14, new Student("shubham", 21));
// tmap.put(4, new Student("shubham", 27));
// tmap.put(4, new Student("shubham", 27));
//
// System.out.println(tmap.keySet());
// System.out.println(tmap.clone());
//
// System.out.println(set instanceof Collection?" yes":"NO");
// //System.out.println(c instanceof Collection?" yes":"NO");
//
StaticEx1 s=new Stat2();
System.out.println(Stat2.a);
}
}