Java Reference by Smart Soft

Single Quotes '

Single quotes have two purposes in Java.

Description 1

Used to indicate a char literal.

System.out.println('S');  //'S' is a char literal
char x = 'H'; //'H' is a char literal

Used to place quotes inside of quotes for JDBC SQL statements.

PreparedStatement ps = conn.prepareStatement("SELECT * FROM Companies WHERE CompanyName = 'Sun'");

Java Reference Java Reference Home \| Smart Soft Home
Single Quotes ' Single quotes have two purposes in Java. Description 1 Used to indicate a `char` literal. Examples System.out.println('S'); //'S' is a char literal char x = 'H'; //'H' is a char literal Description 2 Used to place quotes inside of quotes for JDBC SQL statements. Example 2 PreparedStatement ps = conn.prepareStatement("SELECT * FROM Companies WHERE CompanyName = 'Sun'");