Overflow occurs when the given value is more than the maximum prescribed size of a data type. The overflow condition can result to an error or now the implementation of the programming language handles it on its own.To display overflow of datatypes, I have taken an example of float datatype. ... Read More

The valueOf() method returns the relevant Number Object holding the value of the argument passed. The argument can be a primitive data type, String, Boolean, etc. Therefore, to parse a string to a Boolean object, use the Java valueOf() method.The following is an example showing how to parse a string ... Read More

Use Arrays.equals() method to compare two Boolean Arrays. Let us first create some arrays to be compared. For using this method, you need to import the following package −import java.util.Arrays;We have 4 arrays and value “true” and “false” are assigned to them.boolean[] myArr1 = new boolean[] { true, false, true, ... Read More

The zip_entry_filesize() function returns the file size before compression i.e. the actual file size is returned.Syntaxzip_entry_filesize(zip_entry)Parameterszip_entry − A zip file opened with zip_open() is to be mentioned here.ReturnThe zip_entry_filesize() function returns the file size before compression i.e. the actual file size is returned.ExampleRead More

You can get the enum possible values in a MySQL database with the help of INFORMATION_SCHEMA.COLUMNS table. The syntax is as follows −SELECT    COLUMN_TYPE AS anyAliasName FROM    INFORMATION_SCHEMA.COLUMNS WHERE    TABLE_SCHEMA = ‘yourDatabaseName’ AND TABLE_NAME = 'yourTableName' AND COLUMN_NAME = 'yourEnumColumnName';To understand the above syntax, let us create ... Read More

The zip_entry_open() function is used to open a zip archive entry for reading.Syntaxzip_entry_open(zip_file, zip_entry, mode)Parameterszip_file − The zip file to be readzip_entry − The zip entry to open.mode − The type of access needed for zip archiveReturnThe zip_entry_open() function Returns TRUE on success, or FALSE on failure.ExampleRead More

The zip_open() function opens a zip file for reading. It returns an open zip file on success and FALSE on failure.Syntaxzip_open(zip_file)Parameterszip_file − The path of the file to be opened.ReturnThe zip_open() function returns an open zip file on success and FALSE on failure.ExampleOutputCompressed: 90 Compressed: 12 Compressed: 67Read More

To lag a column in MySQL, first, let us create a table. The query to create a table is as follows −mysql> create table LagDemo    -> (    -> UserId int,    -> UserValue int    -> ); Query OK, 0 rows affected (1.74 sec)ExampleInsert some records in the ... Read More

The zip_close() function is used to close the zip file archive. The zip is opened by the zip_open() function.Syntaxzip_close(zip_file)Parameterszip_file − A zip file opened with zip_open() is to be mentioned here. This is the file we want to close.ReturnThe zip_close() function returns nothing.ExampleOutputFile will be closed nowRead More

The zip_entry_compressed_size() function returns the compressed file size of a zip archive entry.Syntaxzip_entry_compressed_size(zip_entry)Parameterszip_entry − The zip entry resource. Required.ReturnThe zip_entry_compressed_size() function returns the compressed file size of a zip archive entry.The following is an example that gets the size of the files in "new.zip" archive.ExampleOutputCompressed: 90 Compressed: 12 Compressed: 67Read More