String plays major role in Java applications. Below table differentiates the String, StringBuffer and StringBuilder classes. And also address which class is suitable for which scenarios. StringBuilder is a class introduced in java 1.5 and we will see how it differs from String and StringBuffer.
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String
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StringBuffer
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StringBuilder
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String object is immutable
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StringBuffer is mutable
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StringBuilder is mutable
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-
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Synchronized
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Unsynchronized
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Suitable for Single thread as well as Multithread
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Suitable for Single thread as well as Multithread
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If it is single thread application better to use StringBuilder instead of String and StringBuffer
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Not efficient compare to StringBuilder
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Not efficient compare to StringBuilder
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More efficient for single thread
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-
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-
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Unsynchronized so it should be faster than String and StringBuilder
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