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Articles
 
document Is Iterator a Class or Interface? What is its use?
document What is Collection API?
document What do you understand by Synchronization?
document Name the containers which uses Border Layout as their default layout?
document What's the difference between an interface and an abstract class?
document How could Java classes direct program messages to the system console, but error messages, say to a file?
document An application needs to load a library before it starts to run, how to code?
document What is NullPointerException and how to handle it?
document What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class?
document Jack developed a program by using a Map container to hold key/value pairs. He wanted to make a change to the map. He decided to make a clone of the map in order to save the original data on side. What do you think of it? ?
document Can you have virtual functions in Java?
document What does a well-written OO program look like?
document What's Java?
document Is exit a keyword in Java?
document What will be the initial value of an object reference which is defined as an instance variable?
document Java by default initializes it to the default value for that primitive type. Thus an int will be initialized to 0, a boolean will be initialized to false.
document What happens if you dont initialize an instance variable of any of the primitive types in Java?
document Is next a keyword in Java?
document Can a .java file contain more than one java classes?
document What is the difference between preemptive scheduling and time slicing?


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