JAVA String Demo
public class StringDemo { public static void main ( String args [ ] ) { String msg= " How are you?" ; String greeting= new String ( msg ) ; if ( msg == greeting ) { System . out . println ( "greeting==msg" ) ; //Non printable } else if ( msg. equals ( greeting ) ) { System . out . println ( "msg equals greeting" ) ; } //printing message System . out . println ( "original msg:" +msg ) ; System . out . println ( "trim()" +msg. trim ( ) ) ; //trim() : 문자열 앞뒤의 공백문자를 제거한 string클래스를 리턴한다. ...