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String-Manipulation

Mastering Python String Optimization: The StringBuilder Equivalent

·1465 words·7 mins
Python Basics Performance Software Architecture Python-3-15 Performance Memory-Management String-Manipulation Best Practices Optimization
If you are coming to Python from languages like Java, C#, or Go, one of the first things you might search for is a StringBuilder class. You know the drill: strings are immutable, and concatenating them in a loop is a performance killer. You look through the Python standard library, expecting to find string.Builder, but it isn’t there.

Java String Performance in 2025: StringBuilder vs. StringBuffer vs. Concatenation

·1483 words·7 mins
Performance Tuning Java-Performance Best Practices String-Manipulation Jmh Java-21
In the landscape of Java development, few topics are as frequently discussed—and yet often misunderstood—as String manipulation. As we approach late 2025, with Java 21 LTS firmly established and newer versions rolling out, the “String Concatenation vs. StringBuilder” debate remains relevant, though the underlying mechanics have evolved significantly.