IV Consultancy Services Junior Java Developer interview questions

Interview was in three 4, rounds. 1st round: 2 coding question-a)find duplicate b/w two arrays, b)write a java program to rearrange a given array of unique elements such. that every second element of the array is greater than left and right side. and basic java related questions, 2nd round:1.Create Employee Class having 4 variable id,name, age,department 2.create List having 5 objects of employee 3.Filter employee who are older than 25 and whose department is "HR". 4.then sort that list by age and if age is same then it should be sort by name