Algorithms for coding interviews!
1. Object oriented programming
2. Data Structures (String*, Arrays, HashMap*, etc..)
3. Stacks and Queues
4. Iterative algorithm
5. Recursive function
6. Binary search
7. Tree traversal*
8. Sorting algorithm
9. Dynamic programming*
* marked as very important
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#toptechinterview
There are a few procedures are there to delete workspace from eclipse, even after deleting the workspace manually from folder still it shows the workspace listing in the eclipse . after deleting the workspace folder from the directory we have to remove the listing from the eclipse ! it’s simple .. please follow the below…
There are some types to connect with Database , here in this example I’m going to work with Oracle Database. I’m using type-4 driver to connect to the data base. there are some steps to follow : Step 1: know your database url , username ,password . and make sure that ojdbc14.jar file should be…
comm.jar should be placed in: %JAVA_HOME%/lib %JAVA_HOME%/jre/lib/ext win32com.dll should be placed in: %JAVA_HOME%/bin %JAVA_HOME%/jre/bin %windir%System32 javax.comm.properties should be placed in: %JAVA_HOME%/lib %JAVA_HOME%/jre/lib practice programs: serialport communication using Java http://javamix.wordpress.com/2009/01/21/sending-sms-using-serialport-communication-api/
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Both JAR and WAR are created(Zipped) with Java JAR tool , both have different purposes. JAR – Java Archive this JAR file may be a standalone java application or a zipped source . this file contains classes , libraries , property files Command to create a JAR file : here i want to create JAR…
package automatedsms; // my package name /** * * @author katta vijay */ import java.util.Calendar; import java.text.SimpleDateFormat; public class DateUtils { public static String now(String dateFormat) { Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); return sdf.format(cal.getTime()); } public static void main(String arg[]) { // different date formats System.out.println(DateUtils.now(“dd MMMMM yyyy”)); // calling now…
