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Technology Focus At JavaJee For 2020

Submitted by heartin on Wed, 01/01/2020 - 10:18

Technologies and methodologies changes over time. We will have to learn new things and improve ourselves. We will list out few things that we will be focusing on in 2020. The list will be updated as priorities change.

  1. Java 11 is the latest LTS version. Our current primary focus is to use at least Java 11 for all code within this website. We will also explore all other Java versions that have come after Java 11.

[node:read-more:link]

JPA 1 - Module 8: Lambdas and Streams

Submitted by heartin on Sat, 07/11/2020 - 07:27

We will discuss about Java 8 Lambdas and streams. [node:read-more:link]

JPA 1 - Module 7: Inner classes and more

Submitted by trainso on Sat, 07/11/2020 - 03:06

Notes:

Inner class: https://javajee.com/book/java-core-classes-objects-variables-and-methods

Topic 1: Inner classes

  1. Create an interface InterA with a single method. Create an anonymous inner class that implement that interface and invoke that method.

[node:read-more:link]

JPA 1 - Module 6: Exception Handling

Submitted by trainso on Sat, 07/11/2020 - 02:56

Notes: https://javajee.com/book/java-core-exception-handling

Topic 1: Handling exceptions

  1. Create a program to demonstrate the keywords throw, throws, try, catch and finally.

Question sets:

With answers: set-32, set-34 [node:read-more:link]

JPA 1 - Module 5: Arrays and ArrayLists

Submitted by trainso on Sat, 07/11/2020 - 02:55

Topic 1: Arrays

  1. Write a method that accept two strings and check if two strings are anagrams (or permutations of each other). Example: "aaba" and "aaab" should return true. But "aaba" and "aabb" should return false. Test the method by passing positive and negative cases from the main method.

Question sets:

With answers: set-28, set-30 [node:read-more:link]

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