JVM Internals

• How is Java Platform independent
• JVM dissection to Tune GC (JDK 7 )
• Code to memmory mapping in Java
• Understanding byte encoding and decoding
• Understanding binary and text files using Java

 

Inheritance

• Inheritance Internal mechanism in Java
• Inheritance with public accessibility
• Inheritance with private accessibility
• Inheritance with protected accessibility
• Inheritance with default accessibility
• Inheritance in a glimpse

 

Modifiers

• Modifiers overview
• static
• final

 

Object creation

• Object initialization and instantiation
• Java Data Types
• instance Of

 

Loops

• For loop
• While loop

 

Java 8

• How java 8 default method ambiguity solved
• Java 8 Default Method Example
• Java 8 Comparator

 

Streams

• Understanding Java 8 streams
• Parallel stream and CompletableFuture example
• Java 8 streams : How to remove duplicate elements from array
• Java 8 – get all unique characters from List of string using flatmap
• Java 8 – flatmap to find a pair of elements from two List
• Java 8 Stream – allMatch, anyMatch, noneMatch
• Java 8: streams from arrays
• Java 8 Streams read file
• Java 8 Streams understanding reduce
• Java 8 streams collector groupingBy

 

CompletableFuture

• java 8 – CompletableFuture completeExceptionally example

 

List

• Java Joining List of Strings
• Java 8 convert List to Set
• Java 8 convert List to Array

 

Maps

• MultiKey Map
• Java 8: convert List into Map

 

Strings

• How To Split String in Java

 

Guava

• Method arguments Preconditions

 

Ports

• Find Random Free Port

 

Miscellaneous

• Java generate random number in a range
• Java 8 logging simplified