java-programming/javaUpdates/src/array/StudentDriver.java at master · 9146887137/java-programming · GitHub

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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));

// 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);

}

java-programming/javaUpdates/src/array/StudentDriver.java at master · 9146887137/java-programming · GitHub

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