Tag: programming languages

package staticinit; public class TestStaticInit { { System.out.print("I am in Init "); } TestStaticInit() { System.out.print("Constructor "); } static { System.out.print("I am in Static "); } static { System.out.print("I am in Static1 "); } public static void main(String[] args) { System.out.println("Before calling "); TestStaticInit init = new TestStaticInit(); TestStaticInit init1 = new TestStaticInit(); } }

package staticinit; public class TestStaticInit { { System.out.print("I am in Init "); } TestStaticInit() { System.out.print("Constructor. "); } static { System.out.print("I am in Static. "); } static { System.out.print("I am in Static1. "); } public static void main(String[] args) { } }

package statictest; class TestStaticSub { static int p = 100; public static void printP() { System.out.println("P in parent class..." + p); } } public class TestStaticVariable extends TestStaticSub { public static void printP() { p = 200; System.out.println("P in sub class ..." + p); } public static void main(String[] args) { TestStaticSub tsv = new TestStaticVariable(); tsv.printP(); } }

package statictest; public class TestStaticVar { static int p =100; static void setP(int p) { this.p = p; System.out.print("p== "+p); } public static void main(String[] args) { setP(500); System.out.print("p=="+p); } }

Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)Which three statements insert a row into the table? (Choose three.)A. INSERT INTO employeesVALUES ( NULL, 'John', 'Smith');B. INSERT INTO employees( first_name, last_name)VALUES( 'John', 'Smith');C. INSERT INTO employeesVALUES ( '1000', 'John', NULL);D. INSERT INTO employees (first_name, last_name, employee_id)VALUES ( 1000, 'John', 'Smith');E. INSERT INTO employees (employee_id)VALUES (1000);F. INSERT INTO employees (employee_id, first_name, last_name)VALUES ( 1000, 'John', ' ');

Even an empty file is a valid source file.

Octal literals begin with 'O'

main method can be overloaded

main method can be final.