Below are primary error types in javascript...
In Java, we use these methods to pause currently running thread. There is a simple difference between these...
clone() method is defined in Object class. Cloneable is a marker interface that doesn't contain any method..
Java 8 comes with a new command line tool jdeps that can help in analyzing the package-level and class-level dependencies...
StringBuilder was introduced in Java 5. The main difference between both of them is that StringBuffer methods e.g. length()...
Unicode characters have much larger number of characters in the specification...
In Observer design pattern, there is a Subject that maintains the list of Observers that are waiting for any update...
A HashSet is Implemented using a HashTable. Therefore, its elements are stored in a random order. The add(), remove()...
Main differences between Internal and External Iterator are...
The shutdown hook is a thread that is invoked implicitly by JVM just before the shut down...
A Singleton class in Java has maximum one instance of the class present in JVM, all the time. The constructor...
The native keyword is used for applying to a method to indicate that the method is...
Some of the uses of Optional in Java..
The main theme of Java 8 is support for functional programming. With increase in Database size and growth of multi-code...
A ConcurrentHashMap can be replaced with Hashtable in Java...
Reflection is often used in Testing, Debugging and in Integrated Development Environment (IDE)...
Interceptor design pattern is used for intercepting a request. Primary use of this pattern is in Security policy implementation...
The steps to take Thread dump of Java process depends on the operating system...
All instance methods in Java are virtual functions by default...
Differences between Abstract class and Interface are..