What is the [] in Java?

A Java array variable can also be declared like other variables with [] after the data type. The variables in the array are ordered, and each has an index beginning from 0. Java array can be also be used as a static field, a local variable, or a method parameter.

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What is the [] in Java?

A Java array variable can also be declared like other variables with [] after the data type. The variables in the array are ordered, and each has an index beginning from 0. Java array can be also be used as a static field, a local variable, or a method parameter.

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What is StringBuffer in Java?

StringBuffer is a peer class of String that provides much of the functionality of strings . String represents fixed-length, immutable character sequences while StringBuffer represents growable and writable character sequences. StringBuffer may have characters and substrings inserted in the middle or appended to the end.

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