Java Course in Guntur

Write, compile and run a first Java program.

• Programming, algorithms, flowcharts and pseudocode
• Java platform, JDK, JVM, JRE, source code and bytecode
• Program structure, main(), comments, compilation and execution

Store, convert and process Java data correctly.

• Variables, identifiers, keywords, constants and primitive types
• Reference types, casting, operators and precedence
• Console input, formatted output and validation basics

Control program behaviour using conditions.

• if, if-else, else-if and nesting
• switch expressions and conditional operators
• Validation, menus, grades and eligibility programs

Solve repetitive problems using iteration.

• for, while, do-while, nesting, break and continue
• Factorial, Fibonacci, prime, palindrome and Armstrong logic
• Patterns, series, dry runs and edge-case testing

Organise logic into reusable methods and data structures.

• Parameters, returns, overloading and recursion awareness
• One-dimensional, multidimensional and jagged arrays
• Command-line arguments, varargs and array algorithms

Process text and convert values safely.

• String immutability, comparison, search and transformation
• StringBuilder, formatting and regular-expression awareness
• Wrapper classes, boxing, unboxing and parsing

Model requirements using Java classes.

• Classes, objects, fields, methods and state
• Constructors, this, overloading and initialisation
• Static members, relationships and memory awareness

Design maintainable object-oriented programs.

• Encapsulation, inheritance, composition and overriding
• Compile-time and runtime polymorphism
• Abstract classes, interfaces, final and super

Structure Java code with clear boundaries.

• Packages and imports
• Access modifiers and API boundaries
• Enums, nested classes and inner classes

Handle failures predictably and safely.

• Exception hierarchy, checked and unchecked exceptions
• try, catch, finally, throw, throws and custom exceptions
• Try-with-resources, validation and meaningful errors

Choose the right collection for each requirement.

• List, Set, Map, Queue and Deque
• ArrayList, LinkedList, HashSet, TreeSet, HashMap and TreeMap
• Iterators, Comparable, Comparator and complexity awareness

Write type-safe and expressive modern Java.

• Generic classes, methods, bounds and wildcards
• Lambda expressions and method references
• Predicate, Function, Consumer and Supplier

Process collections with clear pipelines.

• filter, map, sorted, distinct and flatMap
• reduce, collect, grouping and partitioning
• Optional and parallel-stream awareness

Persist and process application data safely.

• Byte and character streams, readers, writers and buffering
• Path, Files, NIO and resource management
• Serialization awareness and modern Date/Time API

Build responsive concurrent programs responsibly.

• Thread lifecycle, Runnable, synchronisation and thread safety
• Executors, futures, concurrent collections and race conditions
• Virtual threads in the active LTS environment

Connect Java applications to relational databases safely.

• Connection, Statement, PreparedStatement and ResultSet
• CRUD, transactions, commit, rollback and cleanup
• Parameterized queries and SQL-injection prevention

Use current Java features and professional practices.

• Records, sealed classes and pattern matching
• JUnit, assertions, test organisation and debugging
• Maven, Gradle awareness, dependencies and logging

Build, test and explain complete Java applications.

• Requirements, class design, files or JDBC where relevant
• Breakpoints, stack traces, refactoring and tests
• Project review, code explanation and interview reasoning