2. คำนวณ

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รหัสที่ 2-2  ตัวอย่างการต่อสตริง 
public class StringConcatenation {
  public static void main(String[] args) {
    System.out.print( "4+2 = " );
    System.out.println( 4+2 );
    System.out.println( "4+2 = " + (4+2) );
  }
}
©2009 S.Prasitjutrakul