Oracle provides a Type 4 JDBC driver, referred to as the Oracle “thin” driver. This driver includes its own implementation of a TCP/IP version of Oracle’s Net8 written entirely in Java, so it is platform ind
publicclassStringPrograms{publicstaticvoidmain(String[]args){Stringstr="123";System.out.println(reverse(str));}publicstaticStringreverse(Stringin){if(in==null)thrownewIllegalArgumentException("Null is not valid input");StringBuilderout=newStringBuilder();char[]chars=in.toCharArray();for(inti=chars....
We are not allowed to create generic arrays because array carry type information of its elements at runtime. This information is used at runtime to throw `ArrayStoreException` if elements type doesn't match to the defined type. Since generics type information gets erased at compile time by Type...
Prep for a Java interview by thinking about examples that demonstrate your Java programming skills and capabilities. You can also think of scenarios and past experiences that speak to your understanding of Java programming concepts. We recommend you brainstorm some ideas and write them down. If you...
Understanding these concepts will not only help you ace your Java interview but also enhance your overall programming skills. Remember to practice coding and explore real-world scenarios to strengthen your understanding of Java. Good luck with your Java interviews!
19. Give a simplest way to find out the time a method takes for execution without using any profiling tool? this questions is suggested by@Mohit Read the system time just before the method is invoked and immediately after method returns. Take the time difference, which will give you the tim...
Catch Exception -> RuntimeException Finally Note: Do not use return in a finally block!When both a try statement and a finally statement have return statements, the return statement in the try block is ignored. This is because the return value in the try statement will be temporarily stored...
Test projects take 1-3 weeks and are comprehensive and provide real-world scenarios for candidates to demonstrate their competence, thoroughness, professionalism, and integrity. STEP 5 Continued Excellence Top 3.0% of Java developers As a quality-first company, we demand the best from our talent,...
Test projects take 1-3 weeks and are comprehensive and provide real-world scenarios for candidates to demonstrate their competence, thoroughness, professionalism, and integrity. STEP 5 Continued Excellence Top 3.0% of Java developers As a quality-first company, we demand the best from our talent,...
So far you have been learning all different concepts in Java which can come in front of you in the form of interview questions. It’s time to see whether you are prepared or not. Please go through some real questions asked from Sreenath Ravva, in his interview with Oracle Corporation. ...