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Articles by Abhinanda Shri
Page 3 of 5
Getting error- is not an internal table "OCCURS n" specification is missing in SAP method
When working with SAP ABAP methods, you may encounter the error " is not an internal table 'OCCURS n' specification is missing". This error occurs when you try to use a structure type instead of a table type for parameters that expect internal tables. You need to define the et_flights parameter as of type SFLIGHT. As per method defined, you have this type as structure type and also declare transparent table SFLIGHT at the same time. You should use an already available dictionary table type with row structure of SFLIGHT for et_flight. You should declare et_flights inside ...
Read MoreSAP Authorization concept and Authorization Objects, Object Class
To clear the air all at once, SAP Authorization Objects and Object Class have nothing much in common with Object Oriented classes and objects and differ vastly from them. Authorization objects detail the current user's privileges which are used to authorize user activities and data availability. The Authorization Object is the place where configurations pertaining to permissions are set up and initialized against fields. An object class, on the other hand, is a grouping of Authorization objects. It may contain one or more authorization objects. Understanding Authorization Objects Authorization objects contain authorization fields that define what ...
Read MoreHow to split a Java String into tokens with StringTokenizer?
The hasMoreTokens() method is used to test if there are more tokens available from this tokenizer's string.Exampleimport java.util.*; public class StringTokenizerDemo { public static void main(String[] args) { // creating string tokenizer StringTokenizer st = new StringTokenizer("Come to learn"); // checking elements while (st.hasMoreElements()) { System.out.println("Next element : " + st.nextElement()); } } }OutputNext element : Come Next element : to Next element : learn
Read MoreJava string case change sample code examples.
You can change the cases using the toUpperCase() and toLowerCase() methods of the String class.Examplepublic class Sample { public static void main(String args[]){ String str = "Hello how are you"; String strUpper = str.toUpperCase(); System.out.println("Lower to upper : "+strUpper); String strLower = str.toLowerCase(); System.out.println("Upper to lower : "+strLower); } }OutputLower to upper : HELLO HOW ARE YOU Upper to lower : hello how are you
Read MoreIncremental Java infinite loop
ExampleFollowing is the required program −public class Tester { public static void main(String args[]) { int i = 0; do { i++; System.out.println(i); }while (true); } }The output will keep printing numbers in sequential order.
Read MoreHow to create an array of linked lists in java?
A linked list is a sequence of data structures, which are connected together via links.To create an array of linked lists, create required linked lists and, create an array of objects with them.Exampleimport java.util.LinkedList; public class ArrayOfLinkedList { public static void main(String args[]) { LinkedList list1 = new LinkedList(); list1.add("JavaFX"); list1.add("Hbase"); LinkedList list2 = new LinkedList(); list2.add("OpenCV"); list2.add("Mahout"); LinkedList list3 = new LinkedList(); list3.add("WebGL"); list3.add("CoffeeScript"); Object[] obj = {list1, list2, list3}; for (int i=0; i
Read MoreHow can I put a Java arrays inside an array?
Exampleimport java.util.Arrays; public class ArrayWithinAnArray{ public static void main(String args[]) { int[] myArray1 = {23, 56, 78, 91}; int[] myArray2 = {123, 156, 178, 191}; int[] myArray3 = {223, 256, 278, 291}; int[] myArray4 = {323, 356, 378, 391}; int [][] arrayOfArrays = {myArray1, myArray2, myArray3, myArray4}; System.out.println(Arrays.deepToString(arrayOfArrays)); } }Output[[23, 56, 78, 91], [123, 156, 178, 191], [223, 256, 278, 291], [323, 356, 378, 391]]
Read MoreHow can I drop an existing column from a MySQL table?
We can delete a particular existing column from a MySQL table by using the DROP statement along with an ALTER statement. Its syntax would be as follows −SyntaxALTER TABLE table_name DROP column_name;Here, table_name is the name of the table from which we want to delete the column.Column_name is the name of the column which is to be deleted from the table.ExampleIn this example, we are deleting the column ‘address’ from table ‘student_detail’ as follows −mysql> select * from student_detail; +-----------+-------------+----------+ | Studentid | StudentName | address | +-----------+-------------+----------+ | 100 | Gaurav | Delhi ...
Read MoreHow can the rows be sorted out in a meaningful way?
For sorting the rows in a meaningful way we can use ORDER BY clause. Suppose we want to sort the rows of the following table −mysql> Select * from Student; +--------+--------+--------+ | Name | RollNo | Grade | +--------+--------+--------+ | Gaurav | 100 | B.tech | | Aarav | 150 | M.SC | | Aryan | 165 | M.tech | +--------+--------+--------+ 3 rows in set (0.00 sec)The query below sorted the table by ‘Name’.mysql> Select * from student order by name; +--------+--------+--------+ | Name | RollNo | Grade | +--------+--------+--------+ | Aarav | ...
Read MoreWhat would be the difference between default output format when running MySQL in batch mode or interactively?
The default MySQL output would be different if we will run the same query interactively or in batch mode. For example, if we will run the query select * from hh interactively then following would be a format of output −mysql> select * from hh; +------+ | id | +------+ | 1 | | 2 | +------+ 2 rows in set (0.01 sec)On the other hand, if we will run the same query in batch mode then following would be the format of output −C:\Program Files\MySQL\bin>mysql -u root -p gaurav < hh.sql Enter password: ***** id 1 2
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