String(char ch, int start, int count): allocates a new string and initializes with sub-array “ch” from index “start”. String(String original) : this initializes a newly created String object so that it represents the same sequence of characters as the argument in other words, the newly created string is a copy of the argument string. String str = new String(bArr, 1, 4, "US-ASCII") String(byte byteArr, int startIndex, int length, String charsetName): this constructs new string by decoding of the byte array depending on the startIndex(Starting location) and length(number of characters from starting location), it uses charsetName for decoding. The length of the new String is a function of the charset, and hence may not be equal to the length of the subarray. String(byte byte_arr, int start_index, int length, Charset char_set): Constructs a new String by decoding the specified subarray of bytes using the specified charset. This constructs new string by decoding of the byte array depending on start(Starting location) and length(number of characters from starting location), it used charset for decoding. String(byte arr, int start_index, int length): String str = new String(bArr, "US-ASCII") String(byte byte_arr, String char_set_name): this constructs new string by decoding of the byte array using the charsetname of the platform for decoding. String(byte byte_arr, Charset char_set): this constructs a new String by decoding the specified array of bytes using the specified charset. These byte array elements ASCII value is converted to string. String str = new String(byte arr): this creates and initializes a new String from byte array. String str = new String(char ch): this creates a new string from java character array. Here are string constructors in java with example. Java compiler invokes String(“FlowerBrackets”) constructor and initializes String object in between parentheses which is passed as argument. Here first String object is created and initialized to value “FlowerBrackets” and assigned to reference variable “str”.
String str = new String("FlowerBrackets") // creates object in heap area String("Flower Brackets") is constructor String str = new String(“string literal”) creates string object on heap for given string literal. here reference variable "str" length will be zero String str = new String() // empty object is created String str = new String() it creates empty string object.
Below are list of constructors of string class in java, String constructor java is created using “new” keyword.
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