what are grep in java?
238816
Grep. java. Here is a program that reads through the lines of a file one by one, looking in each line for a user-specified regular expression. (This is similar to the Unix command grep.)
136919
The main difference between the two is that grep is used to search for a particular string in a file whereas find is used to locate files in a directory, etc. also you might want to check out the two commands by typing 'man find' and 'man grep'. ... Find is for searching files and grep is for searching string.
123416
['Log in as user informix.', 'Run the command lsdev -C | grep mem.', 'For each device displayed in step 2., run the command:']
1299793
Just open a command prompt. Run bash and then execute the script from there. Use Java Decompiler to turn the jar file into source code file, and then use WinMerge to perform comparison. You should consult the copyright holder of the source code, to see whether it is OK to do so.
1251752
The main difference between map() and grep() is: map() you need to loop over each element in an array and modify its value whilst the $. Grep() method returns the filtered array using some filter condition from an existing array. ... Grep() helps you to get a filter array.
952153
['public class DoWhileExample2 {', 'public static void main(String[] args) {', 'do{', 'System. out. println("infinitive do while loop");', '}while(true);', '}', '}']
714673
['xref.', 'xrds.', 'xrdb.', 'xrml.', 'xrms.', 'xrlc.', 'xrma.', 'xrmd.']
1086894
['/var/log/apache/access. log.', '/var/log/apache2/access. log.', '/etc/httpd/logs/access_log.']
1459998
['grep -R # recursive.', 'grep -l # file names only.', 'if [ ! -h "file" ] # bash if not a symbolic link.']
155808
['Press Ctrl+F. ... ', 'In the Find What box, enter the word or phrase you want to find.', 'Click the More button, if it is available.', 'If you are searching for a single word, click the Find Whole Words Only check box.', 'Click the Highlight All Items Found check box.', 'Click Find All.']
653989
['The Java Virtual Machine.', 'The Java Application Programming Interface (API)']
45110
['Take heap dump using jmap: ... ', 'In Linux, to identify the process id, use ps –ef | grep java . ... ', 'The "overview" tab of the memory analyzer will show the total size of the heap and a pie chart of object size.']
967770
['String. isEmpty() ... ', 'String.length() The isEmpty() method internally makes a call to the length() method of String class. ... ', 'String. equals() ... ', "Guava. Guava's Strings class has static utility method isNullOrEmpty(String) which returns true if the given string is null or is the empty string. ... ", 'Apache Commons Lang.']
1403312
Java programs are frequently asked in the interview. These programs can be asked from control statements, array, string, oops etc. Java basic programs like fibonacci series, prime numbers, factorial numbers and palindrome numbers are frequently asked in the interviews and exams.
1375120
You can use test -d (see man test ). -d file True if file exists and is a directory. Note: The test command is same as conditional expression [ (see: man [ ), so it's portable across shell scripts.
1249449
Solution(By Examveda Team) // get all php files AND txt files $files = glob('*. {php,txt}', GLOB_BRACE); print_r($files); /* output looks like: Array ( [0] => phptest.
674108
Bash has a large set of logical operators that can be used in conditional expressions. The most basic form of the if control structure tests for a condition and then executes a list of program statements if the condition is true. There are three types of operators: file, numeric, and non-numeric operators.