Java Developer - Upskill with Webdroid

About Course

A Java Developer specializes in creating applications with the Java programming language, known for its portability and performance. They develop robust software solutions that run smoothly across various platforms, including web applications and Android mobile apps. Using frameworks like Spring and Hibernate, they build scalable back-end systems that handle data processing and business logic efficiently. Their knowledge of object-oriented programming helps them write clean and maintainable code.

Additionally, Java Developers work with databases to integrate SQL or NoSQL solutions for effective data management. They often collaborate with front-end developers to create user-friendly interfaces, ensuring a cohesive user experience. Overall, their expertise in Java makes them vital for projects requiring reliable and high-performing software solutions.

Core Java programming concepts like OOP (Object-Oriented Programming), data types, and control structures.
Advanced Java features like multithreading, collections, and exception handling.
Java frameworks such as Spring and Hibernate for enterprise-level application development.
Working with databases using JDBC or JPA for data persistence.
Building RESTful APIs and web services in Java.
Testing and debugging Java applications using tools like JUnit and Mockito.
Version control and collaboration using Git and GitHub.
Deployment and server management for Java applications with tools like Maven and Docker.

Course Content

Introduction

Java Program to Print an Integer (Entered by the User)

00:00
Java Program to Add Two Integers

00:00
Java Program to Multiply two Floating Point Numbers

00:00
Java Program to Find ASCII Value of a character

00:00
Java Program to Compute Quotient and Remainder

00:00
Java Program to Swap Two Numbers

00:00
Java Program to Check Whether a Number is Even or Odd

00:00
Java Program to Check Whether an Alphabet is Vowel or Consonant

00:00
Java Program to Find the Largest Among Three Numbers

00:00
Java Program to Find all Roots of a Quadratic Equation

00:00
Java Program to Find the Frequency of Character in a String

00:00
Java Program to Remove All Whitespaces from a String

00:00
Java Program to Round a Number to n Decimal Places

00:00
Java Program to Check if a String is Empty or Null

00:00

Type Conversion

Java Program to Convert Character to String and Vice-Versa

00:00
Java Program to convert char type variables to int

00:00
Java Program to convert int type variables to char

00:00
Java Program to convert long type variables into int

00:00
Java Program to convert int type variables to long

00:00
Java Program to convert boolean variables into string

00:00
Java Program to convert string type variables into boolean

00:00
Java Program to convert string type variables into int

00:00
Java Program to convert int type variables to String

00:00
Java Program to convert int type variables to double

00:00
Java Program to convert double type variables to int

00:00
Java Program to convert string variables to double

00:00
Java Program to convert double type variables to string

00:00
Java Program to convert primitive types to objects and vice versa

00:00

Decision Making and Loop

Java Program to Check Leap Year

00:00
Java Program to Check Whether a Number is Positive or Negative

00:00
Java Program to Check Whether a Character is Alphabet or Not

00:00
Draft LessonJava Program to Calculate the Sum of Natural Numbers

00:00
Java Program to Find Factorial of a Number

00:00
Java Program to Generate Multiplication Table

00:00
Java Program to Display Fibonacci Series

00:00
Java Program to Find GCD of two Numbers

00:00
Java Program to Find LCM of two Numbers

00:00
Java Program to Display Alphabets (A to Z) using loop

00:00
Java Program to Count Number of Digits in an Integer

00:00
Java Program to Reverse a Number

00:00
Java Program to Calculate the Power of a Number

00:00
Java Program to Check Palindrome

00:00
Java Program to Check Whether a Number is Prime or Not

00:00
Java Program to Display Prime Numbers Between Two Intervals

00:00
Java Program to Check Armstrong Number

00:00
Java Program to Display Armstrong Number Between Two Intervals

00:00
Java Program to Display Factors of a Number

00:00
Java Program to Make a Simple Calculator Using switch…case

00:00
Java Program to Count the Number of Vowels and Consonants in a Sentence

00:00
Java Program to Sort Elements in Lexicographical Order (Dictionary Order)

00:00
Java Code To Create Pyramid and Pattern

00:00

Functions

Java Program to Display Prime Numbers Between Intervals Using Function

00:00
Java Program to Display Armstrong Numbers Between Intervals Using Function

00:00
Java Program to Check Whether a Number can be Expressed as Sum of Two Prime Numbers

00:00
Java Program to Find the Sum of Natural Numbers using Recursion

00:00
Java Program to Find Factorial of a Number Using Recursion

00:00
Java Program to Find G.C.D Using Recursion

00:00
Java Program to Convert Binary Number to Decimal and vice-versa

00:00
Java Program to Convert Octal Number to Decimal and vice-versa

00:00
Java Program to Convert Binary Number to Octal and vice-versa

00:00
Java Program to Reverse a Sentence Using Recursion

00:00
Java Program to calculate the power using recursion

00:00
Java Program to Call One Constructor from another

00:00
Java Program to implement private constructors

00:00
Java Program to pass lambda expression as a method argument

00:00
Java Program to Pass the Result of One Method Call to Another Method

00:00
Java Program to Calculate the Execution Time of Methods

00:00

Array

Java Program to Calculate Average Using Arrays

00:00
Java Program to Find Largest Element of an Array

00:00
Java Program to Calculate Standard Deviation

00:00
Java Program to Add Two Matrix Using Multi-dimensional Arrays

00:00
Java Program to Multiply Two Matrix Using Multi-dimensional Arrays

00:00
Java Program to Multiply two Matrices by Passing Matrix to a Function

00:00
Java Program to Find Transpose of a Matrix

00:00
Java Program to Print an Array

00:00
Java Program to Concatenate Two Arrays

00:00
Java Program to Check if An Array Contains a Given Value

00:00

Object and Class

String

Java Program to Convert String to Date

00:00
Java Program to Convert a Stack Trace to a String

00:00
Java Program to Compare Strings

00:00
Java Program to Check if a String is Numeric

00:00
Java Program to Check if two strings are anagram

00:00
Java Program to Compute all the permutations of the string

00:00
Java Program to Create random strings

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Java Program to Clear the StringBuffer

00:00
Java Program to Capitalize the first character of each word in a String

00:00
Java Program to Iterate through each characters of the string.

00:00
Java Program to Differentiate String == operator and equals() method

00:00
Java Program to Implement switch statement on strings

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Java Program to Check if a string contains a substring

00:00
Java Program to Check if a string is a valid shuffle of two distinct strings

00:00

Collections

Java Program to Join Two Lists

00:00
Java Program to Convert a List to Array and Vice Versa

00:00
Java Program to Convert Map (HashMap) to List

00:00
Java Program to Convert Array to Set (HashSet) and Vice-Versa

00:00
Java Program to Sort a Map By Values

00:00
Java Program to Sort ArrayList of Custom Objects By Property

00:00
Java Program to Implement LinkedList

00:00
Java Program to Implement stack data structure

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Java Program to Implement the queue data structure

00:00
Java Program to Get the middle element of LinkedList in a single iteration

00:00
Java Program to Convert the LinkedList into an Array and vice versa

00:00
Java Program to Convert the ArrayList into a string and vice versa

00:00
Java Program to Iterate over an ArrayList

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Java Program to Iterate over a HashMap

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Java Program to Iterate over a Set

00:00
Java Program to Merge two lists

00:00
Java Program to Update value of HashMap using key

00:00
Java Program to Remove duplicate elements from ArrayList

00:00
Java Program to Get key from HashMap using the value

00:00
Java Program to Detect loop in a LinkedList

00:00
Java Program to Calculate union of two sets

00:00
Java Program to Calculate the intersection of two sets

00:00
Java Program to Calculate the difference between two sets

00:00
Java Program to Check if a set is the subset of another set

00:00
Java Program to Sort map by keys

00:00
Java Program to Pass ArrayList as the function argument

00:00
Java Program to Iterate over ArrayList using Lambda Expression

00:00
Java Program to Implement Binary Tree Data Structure

00:00
Java Program to Perform the preorder tree traversal

00:00
Java Program to Perform the postorder tree traversal

00:00
Java Program to Perform the inorder tree traversal

00:00
Java Program to Count number of leaf nodes in a tree

00:00
Java Program to Implement the graph data structure

00:00
Java Program to Remove elements from the LinkedList.

00:00
Java Program to Add elements to a LinkedList

00:00
Java Program to Access elements from a LinkedList.

00:00

Algorithms

Files

Java Program to Get Current Working Directory

00:00
Java Program to Create String from Contents of a File

00:00
Java Program to Append Text to an Existing File

00:00
Java Program to Convert File to byte array and Vice-Versa

00:00
Java Program to Create File and Write to the File

00:00
Java Program to Read the Content of a File Line by Line

00:00
Java Program to Delete File in Java

00:00
Java Program to Delete Empty and Non-empty Directory

00:00
Java Program to Get the File Extension

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Java Program to Get the name of the file from the absolute path

00:00
Java Program to Get the relative path from two absolute paths

00:00
Java Program to Count number of lines present in the file

00:00

I/O Stream

Advanced

Java Program to Get Current Date/Time

00:00
Java Program to Convert Milliseconds to Minutes and Seconds

00:00
Java Program to Add Two Dates

00:00
Java Program to Convert Byte Array to Hexadecimal

00:00
Java Program to Lookup enum by String value

00:00
Java Program to Calculate simple interest and compound interest

00:00
Java Program to Implement multiple inheritance

00:00
Java Program to Determine the name and version of the operating system

00:00
Java Program to Check if two of three boolean variables are true

00:00
Java Program to Iterate over enum

00:00
Java Program to Check the birthday and print Happy Birthday message

00:00
Java Program to Access private members of a class

00:00

About Course

What Will You Learn?

Course Content

Introduction

Java Program to Print an Integer (Entered by the User)

Java Program to Add Two Integers

Java Program to Multiply two Floating Point Numbers

Java Program to Find ASCII Value of a character

Java Program to Compute Quotient and Remainder

Java Program to Swap Two Numbers

Java Program to Check Whether a Number is Even or Odd

Java Program to Check Whether an Alphabet is Vowel or Consonant

Java Program to Find the Largest Among Three Numbers

Java Program to Find all Roots of a Quadratic Equation

Java Program to Find the Frequency of Character in a String

Java Program to Remove All Whitespaces from a String

Java Program to Round a Number to n Decimal Places

Java Program to Check if a String is Empty or Null

Type Conversion

Java Program to Convert Character to String and Vice-Versa

Java Program to convert char type variables to int

Java Program to convert int type variables to char

Java Program to convert long type variables into int

Java Program to convert int type variables to long

Java Program to convert boolean variables into string

Java Program to convert string type variables into boolean

Java Program to convert string type variables into int

Java Program to convert int type variables to String

Java Program to convert int type variables to double

Java Program to convert double type variables to int

Java Program to convert string variables to double

Java Program to convert double type variables to string

Java Program to convert primitive types to objects and vice versa

Decision Making and Loop

Java Program to Check Leap Year

Java Program to Check Whether a Number is Positive or Negative

Java Program to Check Whether a Character is Alphabet or Not

Draft LessonJava Program to Calculate the Sum of Natural Numbers

Java Program to Find Factorial of a Number

Java Program to Generate Multiplication Table

Java Program to Display Fibonacci Series

Java Program to Find GCD of two Numbers

Java Program to Find LCM of two Numbers

Java Program to Display Alphabets (A to Z) using loop

Java Program to Count Number of Digits in an Integer

Java Program to Reverse a Number

Java Program to Calculate the Power of a Number

Java Program to Check Palindrome

Java Program to Check Whether a Number is Prime or Not

Java Program to Display Prime Numbers Between Two Intervals

Java Program to Check Armstrong Number

Java Program to Display Armstrong Number Between Two Intervals

Java Program to Display Factors of a Number

Java Program to Make a Simple Calculator Using switch…case

Java Program to Count the Number of Vowels and Consonants in a Sentence

Java Program to Sort Elements in Lexicographical Order (Dictionary Order)

Java Code To Create Pyramid and Pattern

Functions

Java Program to Display Prime Numbers Between Intervals Using Function

Java Program to Display Armstrong Numbers Between Intervals Using Function

Java Program to Check Whether a Number can be Expressed as Sum of Two Prime Numbers

Java Program to Find the Sum of Natural Numbers using Recursion

Java Program to Find Factorial of a Number Using Recursion

Java Program to Find G.C.D Using Recursion

Java Program to Convert Binary Number to Decimal and vice-versa

Java Program to Convert Octal Number to Decimal and vice-versa

Java Program to Convert Binary Number to Octal and vice-versa

Java Program to Reverse a Sentence Using Recursion

Java Program to calculate the power using recursion

Java Program to Call One Constructor from another

Java Program to implement private constructors

Java Program to pass lambda expression as a method argument

Java Program to Pass the Result of One Method Call to Another Method

Java Program to Calculate the Execution Time of Methods

Array

Java Program to Calculate Average Using Arrays

Java Program to Find Largest Element of an Array

Java Program to Calculate Standard Deviation

Java Program to Add Two Matrix Using Multi-dimensional Arrays

Java Program to Multiply Two Matrix Using Multi-dimensional Arrays