HCF of n numbers using Java

Hello Fellas,

Today I'm sharing my source code to find H.C.F. using Java.

MyException.java

TwoDigit.java

Thank You :)

Uninstall Weblogic 12c in Linux

Hello Fellas,

Today I'm sharing my learning to how to uninstall weblogic 12c from ubuntu.

1. Goto this path. Oracle_Home/oui/bin

2. Execute deinstall.sh

Thank You :)

Apache Tomcat Installation on Linux

Hi Folks,


Today I'm sharing my learning to how to install the Apache Tomcat in linux (Ubuntu).

Download the zip from apache distribution site

extract it using windows or terminal which one is comfortable for you.

open terminal.

type:

gedit .bashrc

enter the following code according to your location where you want to install the apache.

change the modification access and change to +x mode

sudo chmod +x /*.*

command to start server

startup.sh

command to stop server

shutdown.sh

thank you :)

how to check the jdk version used to compile a .class file

Hi Fellas,

today i'm sharing my learning with you to how to check the jdk version used to compile a .class file.


On Unix/Linux:

javap -verbose MyClass | grep "major"

On Windows:

javap -verbose MyClass | findstr "major"

• Java 1.2 uses major version 46
• Java 1.3 uses major version 47
• Java 1.4 uses major version 48
• Java 5 uses major version 49
• Java 6 uses major version 50
• Java 7 uses major version 51
• Java 8 uses major version 52
• Java 9 uses major version 53
• Java 10 uses major version 54

thank you :)

set DB time

Hello Fellas,

today I'm sharing my learning to how to set DB time,
just use time command from sqlplus or browser,

ALTER DATABASE SET TIME_ZONE = '+5.30';

thank you :)

Execute a .sh file

Hello Fellas today I'm sharing my learning to how to execute a .sh file in linux


just follow the steps .

cd /path/to/file
chmod +x filename.sh
./filename.sh

thank you :)

Hello Fellas,

while going through I found a very interesting topic i.e.

Java VisualVM

just use jvisualvm from terminal

You can read about it from hereJava VisualVM

thank you :)