Public static void main (String args []) 1.The public keyword is an access specifies, which allows the programmer to control the visibility of class members. When a class member is preceded by public, then that member may be accessed by code outside the class in which it is declared. In this case, main ( ) must be declared as public. 2.The keyword static allows main ( ) to be called without having to instantiate a particular instance of the class.This is necessary since main ( ) is called by the Java interpreter before any objects are made. 3.The keyword void simply tells the compiler that main ( ) does not return a value. 4.Main ( ) is the method, called when a Java application begins. 5.String args [ ] declares a parameter named args, which is an array of instances of the class String. In this case, args receives any command-line arguments present when the program is executed. 7.With the same name as args we can?t define one more variable we will get CTE. 8.PSVM (String [] p) p is a variable which is defined as a identifier. System.out.println ("This is a simple Java program."); 1.System is a predefined class that provides access to the system which is introduced inside java lang.package. System class is a default class. 2.Out is the static attribute which is calling print method. Out is a static attribute inside a system class. 3.Out is a data type of print stream class that is connected to the console. 4.Out is a static attribute. Method System.out.println displays its argument in the command window followed by a new-line character to position the output cursor to the beginning of the next line. 5.Println ( ) displays the string which is passed to it. 6.System.out.printf method (f means "formatted") displays formatted data inside a print stream class there is Println method & printf method is available. 7.Notice that the Println ( ) statement ends with a semicolon. All statements in Java end with a semicolon.. | 0 |
By: [email protected] On: Sat Aug 31 05:31:11 EDT 2013 3 0 0 | 3 |
Are You Satisfied :12Yes3No |
Thanks sir... | 0 |
By: [email protected] On: Sat Aug 31 07:11:29 EDT 2013 7 0 0 | 7 |
Are You Satisfied :7Yes1No |