Hafiz-SE

public boolean createPresent (long id) {
	List<Employee> employees = employeeService.getAllEmployees();  //returns 500+ employees. 
    	for (Employee employee : employees) {
      		//lots of business logic.
      		//more than 5 database calls
      		//calculations
      		//logging
          
          entityManager.clear();
    }

Hafiz-SE

public boolean deleteCompany (long id) {
	List<Employee> employees = employeeService.getAllEmployees();  //returns 500+ employees. 
    	for (Employee employee : employees) {
      		//lots of business logic.
      		//more than 5 database calls
      		//calculations
      		//logging
    }
}

Hafiz-SE

import java.util.Scanner;

class MyClass {
    public static void main(String[] args) {               
        Scanner in = new Scanner(System.in);
        System.out.println ("Please Enter First Value : ");
        int a = in.nextInt();
        System.out.println ("Please Enter Second Value : ");
        int b = in.nextInt();
        System.out.println ("Please Enter Third Value : ");

Hafiz-SE

public Department getDepartment() {
  if (this.department != null) {
    if (this.department.getDepartmentHead() != null) {
      this.department.setDepartmentHead(null)
    }
  }
  return department;
}

Hafiz-SE

java.lang.StackOverflowError: null
	at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_241]
	at java.lang.ClassLoader.defineClass(Unknown Source) ~[na:1.8.0_241]
	at java.security.SecureClassLoader.defineClass(Unknown Source) ~[na:1.8.0_241]
	at java.net.URLClassLoader.defineClass(Unknown Source) ~[na:1.8.0_241]
	at java.net.URLClassLoader.access$100(Unknown Source) ~[na:1.8.0_241]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0_241]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0_241]
	at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_241]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.8.0_241]

Hafiz-SE

@Entity
@Table(name = AppTables.employee)
public class Employee {
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @Column(name = AppTables.employeeTable.id)
  private long id;
  
  @Column(name = AppTables.employeeTable.name)
  private String name;

Hafiz-SE

@Entity
@Table(name = AppTables.department)
public class Department {
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @Column(name = AppTables.departmentTable.id)
  private Long id;
  
  @Column(name = AppTables.departmentTable.name)
  private String name;

Hafiz-SE

//
//  main.swift
//  Assignment1
//
//  Created by Hafizur Rahman on 29/7/19.
//  Copyright © 2019 Hafizur Rahman. All rights reserved.
//

import Foundation
func countPairs (first : [Int], last : [Int], sum: Int ) -> Int {