What is a Database Table? A Relational Database Management System( RDBMS) organizes and stores information in the form of tables. The Relational model store information about real-world things in a database table. Database Table A table is an ordered collection of one or more columns and an unordered collection of zero or more rows. Each […]
Problem statement Write a java program for linear search of an unsorted array. Run your program with a few testcases do demonstrate your program. An unsorted or unordered array is an array where elements of the array are not sorted. To search for an element in this array, you have to scan the entire array […]
Overview In this tutorial, we will write a simple Java program to print the command line argument passed to the Java program. In Java, we have a special kind of array called args that holds the command line arguments passed to the Java program. args[0] holds the first command-line argument. args[1] holds the second command-line […]
Program Description Write a java program for do while demo. In this page, we will write a simple java program to demonstrate the do-while-loop. Syntax General syntax of the do-while is shown below. The expression evaluation is done after the loop. So the do-while is executed at least once irrespective of the loop condition. do […]
Program Description Write a java program to demonstrate a simple while loop. We use a while loop in a program when we know the exit condition and not sure how many times to loop the iterations. The loop will be executed until the loop expression is true. There is another variation of the loop called […]
Overview The Apache Commons CLI library provides an API for parsing command line options passed to Java programs. It also provides support for options available for a command line tool in different formats like POSIX , GNU etc. More information about the library, please visit : https://commons.apache.org/proper/commons-cli/index.html Maven dependency: <!– https://mvnrepository.com/artifact/commons-cli/commons-cli –> <dependency> <groupId>commons-cli</groupId> <artifactId>commons-cli</artifactId> […]