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Java Here is the list of methods supported by String class - IISPL

May 182016
  • String Methods:
    Here is the list of methods supported by String class:
    SN Methods with Description
    1 char charAt(int index)
    Returns the character at the specified index.
  • 2 int compareTo(Object o)
    Compares this String to another Object.
  • 3 int compareTo(String anotherString)
    Compares two strings lexicographically.
  • 4 int compareToIgnoreCase(String str)
    Compares two strings lexicographically, ignoring case differences.
  • 5 String concat(String str)
    Concatenates the specified string to the end of this string.
  • 6 boolean contentEquals(StringBuffer sb)
    Returns true if and only if this String represents the same sequence of characters as the specified StringBuffer.
  • 7 static String copyValueOf(char[] data)
    Returns a String that represents the character sequence in the array specified.
  • 8 static String copyValueOf(char[] data, int offset, int count)
    Returns a String that represents the character sequence in the array specified.
  • 9 boolean endsWith(String suffix)
    Tests if this string ends with the specified suffix.
  • 10 boolean equals(Object anObject)
    Compares this string to the specified object.
  • 11 boolean equalsIgnoreCase(String anotherString)
    Compares this String to another String, ignoring case considerations.
  • 12 byte getBytes()
    Encodes this String into a sequence of bytes using the platform's default charset, storing the result into a new byte array.
  • 13 byte[] getBytes(String charsetName
    Encodes this String into a sequence of bytes using the named charset, storing the result into a new byte array.
  • 14 void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin)
    Copies characters from this string into the destination character array.
  • 15 int hashCode()
    Returns a hash code for this string.
  • 16 int indexOf(int ch)
    Returns the index within this string of the first occurrence of the specified character.
  • 17 int indexOf(int ch, int fromIndex)
    Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index.
  • 18 int indexOf(String str)
    Returns the index within this string of the first occurrence of the specified substring.
  • 19 int indexOf(String str, int fromIndex)
    Returns the index within this string of the first occurrence of the specified substring, starting at the specified index
  • 20 String intern()
    Returns a canonical representation for the string object.
  • 21 int lastIndexOf(int ch)
    Returns the index within this string of the last occurrence of the specified character.
  • 22 int lastIndexOf(int ch, int fromIndex)
    Returns the index within this string of the last occurrence of the specified character, searching backward starting at the specified index.
  • 23 int lastIndexOf(String str)
    Returns the index within this string of the rightmost occurrence of the specified substring.
  • 24 int lastIndexOf(String str, int fromIndex)
    Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the specified index.
  • 25 int length()
    Returns the length of this string.
  • 26 boolean matches(String regex)
    Tells whether or not this string matches the given regular expression.
  • 27 boolean regionMatches(boolean ignoreCase, int toffset, String other, int ooffset, int len)
    Tests if two string regions are equal.
  • 28 boolean regionMatches(int toffset, String other, int ooffset, int len)
    Tests if two string regions are equal
  • 29 String replace(char oldChar, char newChar)
    Returns a new string resulting from replacing all occurrences of oldChar in this string with newChar.
  • 30 String replaceAll(String regex, String replacement
    Replaces each substring of this string that matches the given regular expression with the given replacement.
  • 31 String replaceFirst(String regex, String replacement)
    Replaces the first substring of this string that matches the given regular expression with the given replacement.
  • 32 String[] split(String regex)
    Splits this string around matches of the given regular expression.
  • 33 String[] split(String regex, int limit)
    Splits this string around matches of the given regular expression.
  • 34 boolean startsWith(String prefix)
    Tests if this string starts with the specified prefix.
  • 35 boolean startsWith(String prefix, int toffset)
    Tests if this string starts with the specified prefix beginning a specified index.
  • 36 CharSequence subSequence(int beginIndex, int endIndex)
    Returns a new character sequence that is a subsequence of this sequence.
  • 37 String substring(int beginIndex)
    Returns a new string that is a substring of this string.
  • 38 String substring(int beginIndex, int endIndex)
    Returns a new string that is a substring of this string.
  • 39 char[] toCharArray()
    Converts this string to a new character array.
  • 40 String toLowerCase()
    Converts all of the characters in this String to lower case using the rules of the default locale.
  • 41 String toLowerCase(Locale locale)
    Converts all of the characters in this String to lower case using the rules of the given Locale.
  • 42 String toString()
    This object (which is already a string!) is itself returned.
  • 43 String toUpperCase()
    Converts all of the characters in this String to upper case using the rules of the default locale.
  • 44 String toUpperCase(Locale locale)
    Converts all of the characters in this String to upper case using the rules of the given Locale.
  • 45 String trim()
    Returns a copy of the string, with leading and trailing whitespace omitted.
  • 46 static String valueOf(primitive data type x)
    Returns the string representation of the passed data type argument.

 

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