Difference between static and non static methods in Java
Feature Static Method Non-Static Method Access Accessed using the class name directly or through an object reference Accessed only through an object reference Memory No … Read more
Java
Understanding public static void main (String args[] ){ } in Java
The line public static void main(String args[]) { } is the entry point for the execution of a Java program. It is a special method … Read more
How to set path in Java
To define the path in Java, the “PATH” environment variable must be configured. The “PATH” environment variable specifies the directories containing the Java runtime environment … Read more
Write a Java program String to uppercase and count words startig with ‘A’
Write a program to input a sentence and convert it into uppercase and count and display the total number of words starting with a letter … Read more
Write a Java program for Buble sort.
Write a program to input 15 integer elements in an array and sort them in ascending order using the bubble sort technique. Ans.
Java program for String, to uppercase, to equal, length of string
Define a class to accept two strings, convert them into uppercase, check and display whether two strings are equal or not, if the two strings … Read more
Define a class to declare an array of size 20 of the double datatype, accept the elements into the array and perform the following: Calculate and print the sum of all the elements.
Define a class to declare an array of size 20 of the double datatype, accept the elements into the array and perform the following: Calculate … Read more
Define a class to declare an integer array of size n and accept the elements into the array.
import java.util.Scanner;class LinearSearch{public static void main(String args[]){int c, n, search, array[];Scanner in = new Scanner(System.in);System.out.println(“Enter number of elements”);n = in.nextlnt();array= new int[n];System.out.println(“Enter those” +n+ “elements”);for … Read more
File handling
FILE HANDLING: File handling in java comes under input output (IO) operations. Classes used in file handling in Java are present Java IO package (java.io). … Read more
CLOSE THE DATABASE CONNECTION
CLOSE THE DATABASE CONNECTION: It is not necessary to close the connection, but open database can cause problems, so its better to close the database … Read more