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29 paź 2011 · SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date date = format.parse("2011-10-29"); calendar.setTime(date); Log.d("Debug","Day of the week = "+(calendar.get(Calendar.DAY_OF_WEEK)==Calendar.SATURDAY));
You can find the number of occurrences of a substring in a string using Java 9 method Matcher.results() with a single line of code. It produces a Stream of MatchResult objects which correspond to captured substrings, and the only thing needed is to apply Stream.count() to obtain the number of elements in the stream.
8 sty 2024 · A quick example and explanation of the substring() API of the standard String class in Java.
Example. Return a substring from a string: String myStr = "Hello, World!"; System.out.println (myStr.substring (7, 12)); Try it Yourself » Definition and Usage. The substring () method returns a substring from the string. If the end argument is not specified then the substring will end at the end of the string. Syntax. One of the following:
21 lip 2024 · The practical ways of using the useful substring functionality in Java - from simple examples to more advanced scenarios.
3 sie 2022 · Java String substring() Methods. Java String substring method is overloaded and has two variants. substring(int beginIndex): This method returns a new string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string.
The substring() method returns a substring from the given string. The substring begins with the character at the startIndex and extends to the character at index endIndex - 1; If the endIndex is not passed, the substring begins with the character at the specified index and extends to the end of the string; Working of Java String substring() method
