Java Concept Of The Day

[...] Write a java program to reverse a string? This is one of the most frequently asked java program in the technical... The post Java Program To Reverse A String appeared first on Java Concept [...]

[...] Write a java program to find common elements between two arrays? OR Write a java program to find intersection of... The post Java Program To Find Common Elements Between Two Arrays [...]

[...] Unreachable Code : Every statement in any java program must be reachable i.e every statement must be executable at least once in any one of the [...]

[...] Write a java program to find duplicate elements in an array.? This is one of the most asked java interview... The [...]

[...] equals() method is a non-static method of java.lang.Object class. As all classes in java are sub classes of Object class,... The post equals() Method Of [...]

[...] toString() method is non-static and non-final method of java.lang.Object class. As you know that every class you create in java is a sub class of java.lang.Object class. [...]

[...] hashCode() method is also a non-static member of java.lang.Object class. It is also, like toString() and equals() methods, inherited to... The post hashCode() [...]

[...] other using wait(), notify() and notifyAll() methods. These methods are final methods of java.lang.Object class. That means every class in java will have these methods. Below is the method signatures [...]

[...] From today, we are starting a new section called JAVA QUIZ. This will be published on every Saturday and Sunday. This section will cover lots of [...]

[...] ? Ans : It throws java.lang.ClassCastException. (Refer this concept) 3) Which line […] The post Java Quiz – 2 appeared first on Java Concept Of The Day. [...]

[...] . b) Outer class can be protected. c) We can create sub classes to a class which has […] The post Java Quiz – 3 appeared first on Java Concept Of The Day. [...]

[...] code doesn’t give compile time error. But, It did. Can you guess where and what […] The post Java Quiz – 4 appeared first on Java Concept Of The Day. [...]

[...] which will test your basic java skills. Try to answer them. Answers are provided at... The post Java Quiz – 5 appeared first on Java Concept Of The Day. [...]

[...] Java certification exams. We hope you guys will like it. Please, don’t forget to give […] The post Java Quiz – 1 appeared first on Java Concept Of The Day. [...]

[...] ? Ans : It throws java.lang.ClassCastException. (Refer this concept) 3) Which line […] The post Java Quiz – 2 appeared first on Java Concept Of The Day. [...]

[...] . b) Outer class can be protected. c) We can create sub classes to a class which has […] The post Java Quiz – 3 appeared first on Java Concept Of The Day. [...]

[...] What is the difference between ArrayList and Vector Class? This is one of the most asked Java interview question on... The post Difference Between [...]

[...] The Vector Class is also dynamically grow-able and shrink-able collection of objects like an ArrayList class. [...]

[...] Vector class is often considered as obsolete or “Due for Deprecation” by many experienced Java developers. [...]

[...] You can give a name to a thread by using setName() method of Thread class. You can also retrieve the name of a thread using getName() method of a Thread class. These [...]

[...] There are two ways to create threads in java language. 1) By extending java.lang.Thread class 2) By implementing java.lang.Runnable interface 1) By Extending java.lang.Thread Class You can [...]

[...] In the previous concept, we have seen two ways of creating thread class. It can be by extending java.lang.Thread class or it can be by implementing java.lang.Runnable [...]

[...] Before starting about Threads in java, just read out below definitions. Application : Application is a program which is designed to [...]

[...] There are two types of Threads in java. 1) User Thread 2) Daemon Thread 1) User Thread : User threads are threads which are created [...]

[...] namely, thread1 and thread2. You can make thread1 to hold it’s […] The post Joining The Threads In Java appeared first on Java Concept Of The Day. [...]

[...] application can have more than one threads running simultaneously. When an application has multiple threads they are choosen to execute on priority basis. A thread with highest priority is choosen  [...]

[...] to protect the memory into which thread are reading or writing. There is no problem when multiple threads have their own memory. Each thread will be reading […] The post Thread Interference In Java [...]

[...] using java.lang.ThreadGroup class. The main use of thread groups is that you can handle multiple threads simultaneously. How To Add Threads To Thread Group : While creating the threads […] The post [...]

[...] period of time. There are two overloaded forms of sleep() method available in java.lang.Thread class. They are, 1) public static void sleep(long millis) throws InterruptedException —&# [...]

[...] and TERMINATED. At any point of time, thread will be in any one of these states. java.lang.Thread class has one member of enum type called State. All states of a thread are stored in this enum [...]

[...]  first for execution than the thread with lowest priority. There are two methods in java.lang.Thread class related to priority of […] The post Priority Of A Thread In Java appeared first on Java [...]