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Java Cheat Sheet
String
String methods
- char charAt(int index)
- int compareTo(Object o)
- int compareTo(String anotherString)
- int compareToIgnoreCase(String str)
- String concat(String str)
- boolean contentEquals(StringBuffer sb)
- static String copyValueOf(char[] data)
- static String copyValueOf(char[] data, int offset, int count)
- boolean endsWith(String suffix)
- boolean equals(Object anObject)
- boolean equalsIgnoreCase(String anotherString)
- byte getBytes()
- byte[] getBytes(String charsetName
- void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin)
- int hashCode()
- int indexOf(int ch)
- int indexOf(int ch, int fromIndex)
- int indexOf(String str)
- int indexOf(String str, int fromIndex)
- String intern()
- int lastIndexOf(int ch)
- int lastIndexOf(int ch, int fromIndex)
- int lastIndexOf(String str)
- int lastIndexOf(String str, int fromIndex)
- int length()
- boolean matches(String regex)
- boolean regionMatches(boolean ignoreCase, int toffset, String other, int ooffset, int len)
- boolean regionMatches(int toffset, String other, int ooffset, int len)
- String replace(char oldChar, char newChar)
- String replaceAll(String regex, String replacement
- String replaceFirst(String regex, String replacement)
- String[] split(String regex)
- String[] split(String regex, int limit)
- boolean startsWith(String prefix)
- boolean startsWith(String prefix, int toffset)
- CharSequence subSequence(int beginIndex, int endIndex)
- String substring(int beginIndex)
- String substring(int beginIndex, int endIndex)
- char[] toCharArray()
- String toLowerCase()
- String toLowerCase(Locale locale)
- String toString()
- String toUpperCase()
- String toUpperCase(Locale locale)
- String trim()
- static String valueOf(primitive data type x)