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When working with text data in Java, developers often find themselves choosing between String, StringBuilder, and StringBuffer. Although they serve similar purposes, they have distinct characteristics that can significantly impact performance, memory usage, and thread safety. In this post, we'll explore these differences and help you decide which class to use in different scenarios.
Difference Between String, StringBuilder, and StringBuffer in Java
1. Immutability
2. Thread Safety
3. Performance
4. Storage Area
5. Concatenation
6. Usage Recommendations
7. Examples
// String
String str = "Java";
str += "Guides"; // New object created
// StringBuilder
StringBuilder sb = new StringBuilder("Java");
sb.append("Guides"); // Same object modified
// StringBuffer
StringBuffer sbf = new StringBuffer("Java");
sbf.append("Guides"); // Same object modified, thread-safe
String vs StringBuilder vs StringBuffer - Cheat Sheet
Conclusion
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