scala object hello world eclipse example

scala hello world eclipse

object HelloWorldScala {
  def main(args: Array[String]) {
    println("Hello Scala !!")
  }
}

output will be as like bellow

Hello Scala !!

No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error

to FIX this 

Go to Window → Preferences → Java → Installed to JDK

Like this 

Fixed How to split a String by space or whitespace

Fixed How to split a String by space or white space

/*
 *
 */
public class SplitByWhitespace {

    /**
     * @param args
        public static void main(String[] args) {
       
        String  str = "How to split a String by space";
        String[] splited = str.split("\\s+");
        for(String splitedValue : splited){
        System.out.println("splitedValue :"+splitedValue);
        }
    }
}
/* Result
 *
 * splitedValue :How
splitedValue :to
splitedValue :split
splitedValue :a
splitedValue :String
splitedValue :by
splitedValue :space
 */

add comment block to methods in Eclipse

How to add comment block to methods in Eclipse..

Source -> Generate element comment

 

/**

*

*comment

*

*/

public void tets(){

 

}

An internal error occurred during: "Importing Maven projects". Unsupported IClasspathEntry kind=4 fixed

You might have used this command "mvn install" and then you have imported this project in to the eclipse.

 to solve this

 1)Right-click on your project, select Maven -> Remove Maven Nature.
 2)Open you terminal, go to your project folder and do “mvn eclipse:clean”
 3)Right click on your Project and select “Configure -> Convert into Maven Project” This is the error to solve this use above steps.









string-pattern-matched-in-java.html

string split by space in java

How to split a String by space

str = "Hello I'm your String Hello";

String[] splited = str.split("\\s+");

string-pattern-matched-in-java

Eclipse is running in a JRE, but a JDK is required fixed

Eclipse is running in a JRE, but a JDK is required To resolve this issue i added following this line into eclipse.ini.

-vm
C:\JavaJDK\Java\jdk1.6.0_01\jre\bin\client\jvm.dll

Here is the ini file in full;

-startup
plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519
-product
org.eclipse.epp.package.jee.product
--launcher.XXMaxPermSize
256M
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
-vm
C:\JavaJDK\Java\jdk1.6.0_01\jre\bin\client\jvm.dll
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx512m