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What is the Comparable interface?
Comparable interface is used to sort arrays and collections of objects using collections.sort() and java.utils. Objects of the class implementing Comparable interface can be ordered. All classes implementing Comparable interface should implement the compareTo() method which has the return type as an integer. Signature of compareTo() method is as below:
int i = object1.compareTo(object2)
Determine the types of object oriented programme Classes - Prototypes for objects - Definition or a blueprint of a user-defined datatype - Think of it as a ma
The break statement is utilized for terminating the current While or For loop and after that transferring program control towards statement just after the terminated loop. The foll
What is Externalizable interface? Externalizable is an interface which have two methods readExternal and writeExternal. These methods give you a control over the serialization
Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst
iam trying to build an application that store information like name mobile age in a file its like a registration form everytime i enter a new person data i want the applicaion mak
Explain what is Object in JAVA language? They are foundation of object oriented language. They are data structure holds data fields and properties and methods
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
what is mearnt by a variable in java
There are four different parts by which autowiring can be done. ? byName ? constructor ? autodetect ? byType
Java Programming 1. What do you understand by Java Virtual Machine? 2. Write a simple Java program to display a string message and explain the steps of compilation and execu
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