Java 11

Java 11 Features & Changes

ByVijay Katta March 22, 2020

Dynamic class-file constants
Epsilon: a no-op garbage collector
Local-variable syntax for lambda parameters
Low-overhead heap profiling
HTTP client (standard)
Transport layer security (TLS) 1.3
Flight recorder
ZGC: a scalable low latency garbage collector (experimental)
JavaFX, Java EE and COBRA modules have been removed from JDK
Deprecated the noshron javascript engine
Unicode 10.0.0 support

A number of features from previous releases were dropped, in particular java applets and java web start are no longer available

Java 9

Java9 Features – a glance
ByVijay Katta March 22, 2020

Stream API Improvements Private methods in Interfaces Multi-resolution image API Module system Process API improvements HTTP/2 Client GC(Garbage collection) Improvements Stack-walking API Filter incoming serialization data Deprecate applet API Indify string concatenation Enhanced method handles Java platform logging API and service Compact Strings Parser API for Noshron Factory methods for collection JSHELL (the interactive Java…

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java 10

Java 10 Features
ByVijay Katta March 22, 2020

Local variable type interface Experimental Java bases JIT compiler Application class -data sharing Time base release versioning Parallel full GC for G1 Garbage collector interface Additional unicode langugae-TAG extensions Root certificates Thread local hand shakes Heap allocation on alternative memory devices Remove the native header generation tool – javah Consolidate the JDK forest into a…

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Basics | DataBase | J2se | Java | programs | System program's

Calculating Latenciy in java and database
ByVijay Katta February 18, 2011

calculating latencies , for a program , query or an service / project ., after little research here i am deriving mechanism to calculate latencies, first iam considering database : here my aim is calculate execution time for a query. >before executing the query run ‘set timing on’ comamnd in sql command line >after this…

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programs | System program's | Threads

Pausing thread for a time in java
ByVijay Katta January 8, 2012

package net.javamix.blog.basics.thread; public class ThreadRunning { public static void main(String[] args) { System.out.println(“Printing started !!”); try { while (true) { System.out.println(“Javamix.net”); //pausing thread for 60 seconds Thread.sleep(60000); } } catch (InterruptedException e) { System.out.println(“thread inturpted”); e.printStackTrace(); } } }

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java12

Java 12 – Features
ByVijay Katta March 22, 2020

Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) Microbenchmark suite Switch expressions (preview) JVM constants API One AArch64 port, Not Two Default CDS archives Abortable mixed collections G1 Promptly return unused committed memory from G1

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Apache POI | API | White Paper

Apache POI api with JAVA
ByVijay Katta December 2, 2011

What is Apache POI? Apache POI’s cross-platform Open Source Java APIs allow users to read and write various file formats from the Microsoft Office suite of applications, including Word, PowerPoint, Excel, Outlook, Visio, and Publisher. Apache POI is deployed in many highly-visible environments including CERN, Deutsche Bank, Freddie Mac, IBM, J.P. Morgan, Lawrence…

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