When asked typical Java Interview Questions most startup Java developers get confused with JDK and JRE. And eventually, they settle for ‘anything would do man, as long as my program runs!!’ Not quite right if you aspire to make a living and career out of Programming. The “JDK” is t...
When there is only one method in my code and the length is 16391 lines, the length of the compiled bytecode is 65532. Through the previous analysis, we know that one line ofa=1/0code will be compiled into 4 lines of bytecode. So as long as I add another line of code, the limit...
Hence securingStringclass is crucial regarding the security of the whole application in general. For example, consider this simple code snippet: void criticalMethod(String userName) { // perform security checks if (!isAlphaNumeric(userName)) { throw new SecurityException(); } // do some secondary...
11) What is the output of the below Java code snippet on wrapper classes? System.out.println(Byte.BYTES); System.out.println(Character.BYTES); System.out.println(Short.BYTES); System.out.println(Integer.BYTES); System.out.println(Long.BYTES); System.out.println(Float.BYTES); System.out.pr...
18. What will be the output of below code snippet? String s1 = "abc"; String s2 = new String("abc"); s2.intern(); System.out.println(s1 == s2); A. false B. true C. null Click to Reveal Answer Correct Answer: A It’s a tricky question and output will be false. We know ...
The following code snippet explains what happens within theswap()method: publicstaticvoidswap(Objecto1,Objecto2){// o1 = 50, o2 = 100 Copy The values ofo1ando2are swapped, but because the values are copies of theredandbluememory locations, there is no change to the values of theredandbl...
95.Send Email in Java using GMail SMTP with JavaMail 96.Java Facebook Login with OAuth Authentication 97.Java JDK Tools 98.Java Decompiler 99.Top 10 Java Debugging Tips with Eclipse 100.iText PDF Java API Introduction ***Java Collections Interview Questions Plus Nouveau...
95.Send Email in Java using GMail SMTP with JavaMail 96.Java Facebook Login with OAuth Authentication 97.Java JDK Tools 98.Java Decompiler 99.Top 10 Java Debugging Tips with Eclipse 100.iText PDF Java API Introduction ***Java Collections Interview Questions Plus Nouveau...
Is the first programmer who will read the code going to send a snippet to The Daily WTF?Important Things to LearnSpring Unit Testing TDD Microservices ArchitectureAsk Why?Question Everything!BooksCode Complete by Steve McConnell. Clean Code- A Handbook of Agile Software Craftsmanship The Pragmatic ...
Is the first programmer who will read the code going to send a snippet to The Daily WTF? Important Things to Learn Spring Unit Testing TDD Microservices Architecture Ask Why? Question Everything! Books Code Complete by Steve McConnell.