Career-Based Complete Java Programming Internship Program. Get Insights into: Advanced java concepts with Project Implementation and Assignments. Stay Updated on Latest Industrial Updates.
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Java Introduction & Installation: Java is an object-oriented, platform-independent programming language. Install JDK and set up an IDE like Eclipse or IntelliJ.
Variables, Identifiers, and Datatypes: Variables store data. Common datatypes include int
, double
, boolean
, String
. Identifiers are names for variables, classes, etc.
Classes and Objects: Classes define objects. An object is an instance of a class.
Java Comments: Use //
for single-line and /* */
for multi-line comments.
Loops: for
, while
, and do-while
loops allow repetition of code.
Decision Making: Use if-else
and switch
statements to make decisions based on conditions.
Ternary Operator: Shorthand for if-else
: condition ? value_if_true : value_if_false
.
Arrays & Methods: Arrays store multiple values of the same type. Methods are blocks of code that perform tasks.
Inheritance: Subclass inherits from superclass, allowing code reuse.
Method Overloading: Same method name with different parameters.
Method Overriding: Subclass provides its own implementation of a superclass method.
Type Casting: Implicit (widening) or explicit (narrowing) conversion of datatypes.
Abstract Classes & Interfaces: Abstract classes cannot be instantiated, while interfaces define contracts that classes must follow.
Packages: Organize related classes. E.g., java.util
.
Access Modifiers: Control visibility—public
, private
, protected
, and default.
Encapsulation: Hide data and provide access via getter/setter methods.
Wrapper Classes: Objects for primitive types, like Integer
for int
.
Regular Expressions: Patterns to match text, useful for validation.
Exception Handling: Handle errors using try-catch
, throw
, and throws
to prevent crashes.
File I/O: Read and write files using InputStream
, OutputStream
, and BufferedStream
for efficiency.
Threads: Allow concurrent execution. Threads can be created using Thread
class or Runnable
interface. Handle issues like deadlock.
Java Collections: Data structures like List
, Set
, Map
for storing and manipulating collections of objects.
JDBC: Connect to databases and execute queries. Use Connection
, Statement
, ResultSet
, and manage transactions with commit()
and rollback()
.
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Earn prestigious Dual Certification upon successful completion of our internship program. This recognition validates both your participation and the skills you have honed during the internship
Master the Latest Industrial Skills. Select a technology domain & kick off your Internship immediately.
₹1999/-
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Curious where our graduates make their mark? Our students go on to excel in leading tech companies, innovative startups, and prestigious research institutions. Their advanced skills and hands-on experience make them highly sought-after professionals in the industry.
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==
checks for reference equality (whether two references point to the same object)..equals()
checks for value equality (whether two objects have the same value/content).Answer:
Answer: Deadlock occurs when two or more threads are blocked forever because they are waiting for each other to release resources, causing the program to freeze.
Answer:
Arrays.sort()
for arrays.Collections.sort()
for List<T>
collections.Answer:
Connection.setAutoCommit(false)
to disable auto-commit mode.Connection.commit()
or roll it back using Connection.rollback()
in case of errors.Answer: The Java Collections Framework provides a set of interfaces and classes (like List
, Set
, Map
) to store and manipulate groups of objects. Common implementations include ArrayList
, HashSet
, and HashMap
.
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