Home Listings By Name By Subject Email www.tomswan.com Help |
© 2001 by Tom Swan. All rights reserved.
Updated: 6/4/01 12:20:54 PM
Return to Listings page
Switch to Solutions by name page
Switch to Solutions by subject page
001: class Welcome { 002: public static void main(String args[]) { 003: System.out.println("Welcome to Java 2 programming!"); 004: } 005: }Return to top
001: /* This paragraph shows that C-style comments 002: may extend for 003: several lines. */ 004: 005: /** The NoComment class demonstrates comment styles */ 006: /** This and the last line are "Java Documentation Comments" */ 007: class NoComment { 008: public static void main(String args[]) { 009: // This comment is not displayed 010: System.out.println("This string is displayed"); 011: System.out.println( /* Embedded comment is not displayed */ 012: "This string is also displayed"); 013: /* This single-line C-style comment is not displayed */ 014: } 015: }Return to top
001: class VarDemo { 002: public static void main(String args[]) { 003: int count; // Declare a variable 004: count = 10; // Assign value to variable 005: System.out.println("Count = " + count); 006: } 007: }Return to top
001: class IntDemo { 002: public static void main(String args[]) { 003: 004: // Values in decimal, hex, and octal 005: int decimalCount = 123; // decimal 123 006: int hexCount = 0xF89C; // decimal 63644 007: int octalCount = 037; // decimal 31 008: 009: // Display preceding variables 010: System.out.println("decimalCount = " + decimalCount); 011: System.out.println("hexCount = " + hexCount); 012: System.out.println("octalCount = " + octalCount); 013: 014: // Variables of each integer data type 015: byte byteCount = 0x0F; 016: short shortCount = 32767; 017: int intCount = 99999; 018: long bigNumber = 0x7FFFFFFFFFFFFFFFL; // Note final L 019: 020: // Display preceding variables 021: System.out.println("byteCount = " + byteCount); 022: System.out.println("shortCount = " + shortCount); 023: System.out.println("intCount = " + intCount); 024: System.out.println("bigNumber = " + bigNumber); 025: } 026: }Return to top