Coded Java

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Sep 23, 2018

Checked Exceptions vs Unchecked Exceptions/ Runtime Exceptions

Sameera Nelson September 23, 2018 0 Comments

Item 70 @ Effective Java by Joshua Bloch , "Use checked exceptions for recoverable conditions and run-time exceptions for pr...

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Java

[Java] Traversing a Java collection : For vs Foreach vs Stream Foreach vs Stream ForeachOrdered

Sameera Nelson September 23, 2018 0 Comments

First We create a list of String objects, List<String> list = new ArrayList<>(); list.add("DEF"); list.add(...

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Sep 15, 2018

Virus Free

How to search hidden files from a Virus

Sameera Nelson September 15, 2018 0 Comments

Recovering hidden files from a Virus Open the Command Prompt by typing 'cmd' in Run or search Navigate to the pen dri...

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Sep 9, 2018

MySQL

MySQL Version Query

Sameera Nelson September 09, 2018 0 Comments

MySQL Version Query SHOW VARIABLES WHERE variable_name = "version"; However to see all the related version info...

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Aug 30, 2018

Java

Convert Java ZonedDateTime to Date

Sameera Nelson August 30, 2018 0 Comments

ZonedDateTime can be converted to Java Date by converting it to an instance first, Date date = Date.from(ZonedDateTime.now().toInstant()...

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Jun 9, 2018

How to Extract a JAR File

Sameera Nelson June 09, 2018 0 Comments

How to Extract a JAR File There are many ways, Using Command Line, jar xf jar-file [File Name] Using WinRAR, Write Click on ...

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Jun 3, 2018

Strings

Java String Trimming : Remove any leading and trailing white spaces

Sameera Nelson June 03, 2018 0 Comments

Java String Trimming trim() Removes only the leading & trailing spaces. From Java Doc, "Returns a string...

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Jun 2, 2018

Strings

Java String Replace : Replaces the matched words in a String

Sameera Nelson June 02, 2018 0 Comments

Java String Replace replace() "Returns a new string resulting from replacing all occurrences of oldChar in this string with n...

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Dec 31, 2017

Java

Java Set foreach Example

Sameera Nelson December 31, 2017 0 Comments

Java Set foreach Example Set Set<String> colourSet = new HashSet<>(); colourSet.add("RED"); colour...

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Java

Java Map foreach Example

Sameera Nelson December 31, 2017 0 Comments

Java Map foreach Example Map Map<Integer, String> colourMap = new HashMap<>(); colourMap.put(1, "RED");...

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Java

Java List foreach Example

Sameera Nelson December 31, 2017 0 Comments

Java List foreach Example List<String> colourList = new ArrayList<>(); colourList.add("RED"); colourList.ad...

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Sep 18, 2017

Programming Concepts

Java String Pool

Isuru Jayaweera September 18, 2017 0 Comments

Image Credit What is Java String Pool? String Pool in Java corresponds to an allocation of memory in Java heap memory. It consis...

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Sep 14, 2017

Spring

Lazy Loading vs Eager Loading

Sameera Nelson September 14, 2017 0 Comments

Lazy Loading vs Eager Loading Image Credit Lazy Loading Lazy loading is a design pattern commonly used in computer programming t...

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Sep 12, 2017

Utils

Immutable Objects in Java

Sameera Nelson September 12, 2017 0 Comments

Image Credit What is an Immutable Object ? As per the Java Reference Documentation, "An object is considered immutable if its...

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Sep 7, 2017

Programming Concepts

What is a Marker Interface in Java

Sameera Nelson September 07, 2017 0 Comments

What is a marker interface ? Interface which does not contain any method to implement are called marker or the tag interfaces. Wh...

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Sep 5, 2017

Programming Concepts

Synchronized Methods vs Synchronized Blocks

Sameera Nelson September 05, 2017 0 Comments

Thread Synchronization Java provides synchronized keyword to provide capabilities on controlling the access to shared resources for...

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Latest

Coded Java

Sep 23, 2018

Checked Exceptions vs Unchecked Exceptions/ Runtime Exceptions

[Java] Traversing a Java collection : For vs Foreach vs Stream Foreach vs Stream ForeachOrdered

Sep 15, 2018

How to search hidden files from a Virus

Sep 9, 2018

MySQL Version Query

Aug 30, 2018

Convert Java ZonedDateTime to Date

Jun 9, 2018

How to Extract a JAR File

Jun 3, 2018

Java String Trimming : Remove any leading and trailing white spaces

Jun 2, 2018

Java String Replace : Replaces the matched words in a String

Dec 31, 2017

Java Set foreach Example

Java Map foreach Example

Java List foreach Example

Sep 18, 2017

Java String Pool

Sep 14, 2017

Lazy Loading vs Eager Loading

Sep 12, 2017

Immutable Objects in Java

Sep 7, 2017

What is a Marker Interface in Java

Sep 5, 2017

Synchronized Methods vs Synchronized Blocks

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