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String Immutability
Last Updated: June 2, 2026
High Priority
16 min read
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On this page
What "Immutable" Means
How Java Enforces Immutability
Reference Reassignment Versus Object Mutation
A "What's Wrong With This Code?" Example
Five Benefits of Immutability
The Cost: Why Concatenation in a Loop is Expensive...
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Exercise: String Met...
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Exercise: String Imm...
