Tag

shallow copy

0 views collected around this technical thread.

Raymond Ops
Raymond Ops
Apr 18, 2025 · Fundamentals

Master Python Class vs Static Methods, Deep/Shallow Copies, and Decorators

This comprehensive guide explains Python’s class and static methods, compares deep and shallow copying techniques, demystifies decorators, and reveals how variables are stored in memory, providing clear examples and best‑practice recommendations for writing efficient, maintainable code.

Memory ManagementPythonclass methods
0 likes · 13 min read
Master Python Class vs Static Methods, Deep/Shallow Copies, and Decorators
Test Development Learning Exchange
Test Development Learning Exchange
Aug 2, 2024 · Fundamentals

Understanding Shallow Copy and Deep Copy in Python with Examples

This article explains the concepts of shallow copy and deep copy in Python, describes their differences, and provides numerous code examples—including lists, dictionaries, and custom classes—to demonstrate how to use the copy module’s copy and deepcopy functions effectively.

Object Cloningcode examplescopy module
0 likes · 8 min read
Understanding Shallow Copy and Deep Copy in Python with Examples
JD Tech
JD Tech
Mar 20, 2024 · Backend Development

Debugging ClassCastException Caused by BeanUtils.copyProperties Shallow Copy in Java Services

The article details a real‑world debugging case where a Java service threw a ClassCastException due to BeanUtils.copyProperties performing a shallow copy, explains the investigation steps, shows the problematic code, and presents a manual‑assignment solution along with reflections on safer alternatives.

BeanUtilsClassCastExceptionJava
0 likes · 5 min read
Debugging ClassCastException Caused by BeanUtils.copyProperties Shallow Copy in Java Services
Test Development Learning Exchange
Test Development Learning Exchange
Feb 29, 2024 · Fundamentals

Understanding Shallow Copy in Python: Explanation, Use Cases, and Code Examples

This article explains the concept of shallow copy in Python, contrasts it with deep copy, outlines ten practical scenarios such as parameter passing, data backup, error recovery, and parallel processing, and provides a comprehensive code example demonstrating how to use the list .copy() method in each case.

CopyingData StructuresPython
0 likes · 5 min read
Understanding Shallow Copy in Python: Explanation, Use Cases, and Code Examples
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Nov 20, 2023 · Fundamentals

Prototype Pattern: Definition, UML Diagram, Implementation, Advantages, Disadvantages, and Use Cases

This article explains the Prototype design pattern, covering its definition, UML class diagram, Java implementation with shallow and deep copy examples, advantages and drawbacks, comparisons with Factory Method and Singleton patterns, and practical scenarios where cloning objects provides an efficient alternative to costly object creation.

JavaObject CloningPrototype Pattern
0 likes · 14 min read
Prototype Pattern: Definition, UML Diagram, Implementation, Advantages, Disadvantages, and Use Cases
Test Development Learning Exchange
Test Development Learning Exchange
Oct 1, 2023 · Fundamentals

Understanding Deep Copy and Shallow Copy in Python 3

This article explains the concepts, differences, and practical code examples of deep copy and shallow copy in Python 3, illustrating how each method works, their impact on nested objects, and how to apply them in API automation parameterization scenarios.

Object Copyingautomationdeep copy
0 likes · 7 min read
Understanding Deep Copy and Shallow Copy in Python 3
Python Programming Learning Circle
Python Programming Learning Circle
Jul 27, 2022 · Fundamentals

Understanding Shallow and Deep Copy in Python

This article explains how Python variables reference objects in memory, distinguishes between shallow and deep copying, demonstrates three common copying techniques (slicing, factory functions, and the copy method) with lists and tuples, and shows how to use the copy module for deep copies.

PythonReferencecopy module
0 likes · 6 min read
Understanding Shallow and Deep Copy in Python
Byte Quality Assurance Team
Byte Quality Assurance Team
Oct 13, 2021 · Fundamentals

Understanding Python Object Assignment, Mutable vs. Immutable Types, and Shallow vs. Deep Copying

This article provides a comprehensive guide to Python's memory management and object assignment mechanisms, clearly explaining the differences between mutable and immutable objects, direct assignment, shallow copying, and deep copying through practical code examples and visual diagrams.

Data StructuresImmutable ObjectsMemory Management
0 likes · 7 min read
Understanding Python Object Assignment, Mutable vs. Immutable Types, and Shallow vs. Deep Copying
Selected Java Interview Questions
Selected Java Interview Questions
Aug 10, 2021 · Fundamentals

Java Array Copying Methods: Loop, System.arraycopy, Arrays.copyOf, and clone

This article explains four Java array copying techniques—manual loop assignment, System.arraycopy, Arrays.copyOf (or copyOfRange), and clone—detailing their shallow or deep copy behavior, performance characteristics, and providing complete code examples with expected outputs.

Array CopyArrays.copyOfJava
0 likes · 10 min read
Java Array Copying Methods: Loop, System.arraycopy, Arrays.copyOf, and clone
Python Programming Learning Circle
Python Programming Learning Circle
Jul 10, 2021 · Fundamentals

Understanding Shallow and Deep Copy in Python

This article explains Python's shallow and deep copy mechanisms, demonstrates their differences with code examples, visual diagrams, and discusses when to use each approach, highlighting performance and memory considerations in software development.

Copydeep copyfundamentals
0 likes · 5 min read
Understanding Shallow and Deep Copy in Python
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Aug 4, 2020 · Fundamentals

Understanding the Prototype Design Pattern in Java

The article explains the Prototype design pattern in Java, covering its definition, class diagram, implementation with Cloneable, shallow vs deep copying, advantages, use cases, Spring prototype scope, and provides complete code examples illustrating cloning of Sheep, Goat, and Lamb objects.

CloningJavaPrototype Pattern
0 likes · 12 min read
Understanding the Prototype Design Pattern in Java
Selected Java Interview Questions
Selected Java Interview Questions
Jul 23, 2020 · Fundamentals

Understanding Reference, Shallow, and Deep Copy in Java

This article explains Java reference copying, object cloning, and the differences between shallow and deep copy, providing code examples and output analysis to illustrate how each method affects object identity and shared references.

CloningCopyJava
0 likes · 8 min read
Understanding Reference, Shallow, and Deep Copy in Java
FunTester
FunTester
Dec 21, 2019 · Fundamentals

Demonstrating Deep vs Shallow Copy in Java Using Heap Dumps

This article explains how to avoid thread‑unsafe statistics collection by copying objects per thread, explores Java deep and shallow copying concepts, provides a concrete test program, and uses JConsole and heap dumps to verify the number of object instances created by each copying method.

Heap DumpJavadeep copy
0 likes · 6 min read
Demonstrating Deep vs Shallow Copy in Java Using Heap Dumps
Java Captain
Java Captain
Mar 17, 2019 · Fundamentals

Understanding Java Reflection, Serialization, Dynamic Proxies, and Object Cloning

This article explains Java reflection, serialization, dynamic proxy mechanisms, and object cloning techniques, including code examples and the differences between deep and shallow copies, providing a comprehensive overview of these core Java concepts.

CloningDynamic ProxySerialization
0 likes · 8 min read
Understanding Java Reflection, Serialization, Dynamic Proxies, and Object Cloning
360 Quality & Efficiency
360 Quality & Efficiency
Jun 13, 2018 · Fundamentals

Understanding Python Assignment, Shallow Copy, and Deep Copy

This article explains Python's variable storage model and demonstrates how assignment, shallow copy, and deep copy affect object references and memory addresses for immutable and mutable types, using string and list examples to illustrate the differences.

AssignmentImmutableMutable
0 likes · 4 min read
Understanding Python Assignment, Shallow Copy, and Deep Copy
Java Captain
Java Captain
Mar 31, 2018 · Fundamentals

Understanding Object Cloning in Java: Shallow vs Deep Copy

This article explains Java object cloning, detailing why cloning is needed, how to implement shallow and deep copies using the Cloneable interface and serialization, and provides comprehensive code examples illustrating the differences and pitfalls of reference copying.

CloneableCloningJava
0 likes · 15 min read
Understanding Object Cloning in Java: Shallow vs Deep Copy