Spring java – Medium

Nov 20

One-to-One Bidirectional Mapping with Shared Primary Key

This topic will teach us how to implement one-to-one(@OneToOne annotation) bidirectional mapping with a shared primary key(@PrimaryKeyJoinColumn)using Spring Boot, Hibernate, Spring Data JPA and Lombok. In the one-to-one bidirectional with the shared primary key, shares one primary key between two tables. …

Mapping

6 min read

Mapping

6 min read

Nov 20

One-To-One Unidirectional Mapping with Shared Primary Key

In this topic, we will learn about how to implement one-to-one unidirectional mapping with a shared primary key using Spring Boot, Hibernate, Spring Data JPA, H2 Database, and Lombok. In one-to-one unidirectional mapping shared primary key, two tables share the same primary key. The one-to-one unidirectional mapping means one-side navigation(employee…

Mapping

5 min read

Mapping

5 min read

Nov 1

One-to-One Bidirectional Mapping in Spring Boot JPA

This topic will teach us to implement one-to-one(@OneToOne annotation) bidirectional mapping using Spring Boot, Hibernate, and Spring Data JPA. In this example, an employee table is associated with the address table with the help of a foreign key addrs_id which references the address.id using @JoinColumn annotation and also the making…

Spring Boot

6 min read

Spring Boot

6 min read

Oct 26

One-to-One Unidirectional Mapping in Spring Boot JPA

A one-to-one mapping in which one entity’s value is associated with another entity’s value. An instance of the source entity is associated with an instance of the target entity. For example, if an employee has one address, an address is associated with the employee. …

Java

5 min read

One-to-One Unidirectional Mapping in Spring Boot JPA

Java

5 min read

Oct 17

How to Use Throw and Throws in Java

Exception handling in Java is the most effective way to handle runtime errors occurring in the application. This is used to protect the abnormal flow of the execution of the application and continue the application in normal flow. This is the process of handling runtime errors such as ClassNotFoundException, IOException…

Java

3 min read

Java

3 min read

Oct 11

Different Ways to Reverse a String in Java — SpringJava

In this topic, we will learn about different ways to reverse a string in Java with examples.

Java

3 min read

Java

3 min read

Oct 3

Different Ways to Initialize Array in Java — SpringJava

An array is an indexed collection of a fixed number of homogeneous data elements in Java. We can represent multiple values with the same name of the same data type so that the readability of the code will be improved. It is fixed in size that is once we create…

Java Programming

4 min read

Different Ways to Initialize Array in Java — SpringJava

Java Programming

4 min read

Sep 26

Differences: ArrayList vs LinkedList

In this topic, we will learn about the difference between ArrayList and LinkedList. The ArrayList and LinkedList are both predefined implementation classes of the List interface. These classes are available in the java.util package. ArrayList vs LinkedList

Java

2 min read

Java

2 min read

Sep 23

Key Differences Between Array and ArrayList in Java

In this topic, we will learn about the differences between Array and ArrayList in Java. What is an Array in Java? An array is an indexed collection of a fixed number of homogeneous data types of elements. …

Java

2 min read

Java

2 min read

Sep 18

Sorting ArrayList of Objects in Java

In this topic, we will learn how to sort ArrayList of objects in Java. ArrayList is a predefined class provided by the Collection framework and imported from java.util package. This class is commonly used by Java developers in their day-to-day life. There are different ways to sort ArrayList of objects…

Java

4 min read

Java

4 min read