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Cursors in Java

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When we want to get each object one by one from the collection we should go for cursors. There are three types of cursors available in java Collection framework. Enumeration Iterator ListIterator Enumeration: It is introduced in the java 1.0 version. Using Enumeration we can get objects One by One from the old Collection Objects ….  Read More

Java Vector

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Vector Vector is a part of the Java Collection framework since the java 1.2 version. It is implements the List interface, It is found in the java.util package. Vector is the best choice if our frequent operation is retrieval operation. SO if we are want to search and get data from the list then Vector is ….  Read More

Java List Interface

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  Introduction List Interface is the child interface of collection. The List interface is present in java.util package. When we want to represent a group of individual objects in a single entity, where duplicates are allowed and insertion order preserved. Then we should go for the list interface. In List Interface insertion Order is preserve ….  Read More

Collection Interface

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  Introduction: When we are representing a group of individual objects in a single entity then we should go for Collection Interface. Collection interface is the root interface of collection framework. Collection framework holds all the collection classes and interfaces. Collection interface defines the most common methods which are applicable for any collection object. The ….  Read More

Java Inner Classes

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Introduction Inner class means a class is declared inside another class that type of class is called inner classes. Inner classes introduced in 1.1 version as part of “EventHandling” to resolve GUI bugs. Inner classes are very powerful features and also so many benefits that’s why nowadays programmers start using regular coding.     Without ….  Read More

Class loaders in java

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Java ClassLoader The Java ClassLoader is a part of the (JRE)Java Runtime Environment that dynamically loads Java classes into the (JVM)Java Virtual Machine at run time. Java ClassLoader is an abstract class. It belongs to java.lang package. Java classes aren’t loaded into memory all at once, but when required by an application at that time, ….  Read More