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 are all the string functions in Java?

All String Methods MethodDescriptionReturn Typesubstring()Returns a new string which is the substring of a specified stringStringtoCharArray()Converts this string to a new character arraychar[]toLowerCase()Converts a string to lower case lettersStringtoString()Returns the value of a String objectStringJava String Methods – W3Schools www.w3schools.com › java › java_ref_string

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