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SRI RAMA JAYA RAMA JAYA JAYA RAMA

Home
Java Programming
Data Structures and Algorithms
Java EE
- Servlets
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Frameworks
Testing
Tools
- Maven
- Gradle
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- Ansible
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java.lang
java.io and java.nio
java.util
java.math
java.sql(JDBC)
java.time
java.text
java.lang.annotation
java.util.logging
java.util.regex

Know about java.lang package

Exploring java.lang package

Object class and Class

Object class methods and concepts
Overriding equals(), hashCode(), and toString()
The Class
Reflection API

Data Types and Wrappers

Primitive data types
Wrapper classes
Conversion between wrappers and primitives
Autoboxing and unboxing

String Class

String Creation and Manipulation
String Comparison and Immutability
String class methods
More about String class

Exception Handling

Throwable, Exception, and Error classes
try-catch-finally blocks
More about Exception Handling

Threading

Thread class and Multithreading
Thread Synchronization and Coordination
Runnable Interface and Thread Pooling

System Class

Standard Input/Output (System.out, System.in)
Environment Variables and Properties
System-Level Operations (exit, currentTimeMillis, etc.)

Math Class

Introduction to Math Class
Mathematical Operations and Functions

Enumerations

Enumerated Types and enum Keyword
Enum methods and properties

Runtime Environment

Obtaining Runtime Information
Memory Management and Garbage Collection
System-Level Operations (halt, exec, etc.)

Security

Cryptography and Secure Coding Practices
Security Managers and Policies

Other Miscellaneous Classes and Concepts

Comparable and Comparator Interfaces
Iterable and Iterator Interfaces
StringBuffer class
StringBuilder class

String class methods

By javaplanet.io / 1 August 2025 / 1 minute of reading

References

CodeGPT-small-java

Codebert-base

CodeBERT

Related Posts

StringBuilder class

Serializable

ShortBuffer

FloatBuffer

Environment Variables and Properties

DataInputStream

CharBuffer

Home
Java Programming
Data Structures and Algorithms
Java EE
- Servlets
- JSP
- Java Mail
Frameworks
Testing
Tools
- Maven
- Gradle
- Git
- Docker
- Jenkins
- Ansible
- Kubernetes

Home
Java Programming
Data Structures and Algorithms
Java EE
- Servlets
- JSP
- Java Mail
Frameworks
Testing
Tools
- Maven
- Gradle
- Git
- Docker
- Jenkins
- Ansible
- Kubernetes

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