Rekha Setia 
The switch statement is a multi-way decision-making statement in which we can select only one . The switch statement starts with the “switch” keyword like (switch(expression)). Switch defines one or more case values which we know as case labels. Case labels consist of case keywords followed by a colon(:), and every case is terminated by … Read more
Daemon Thread There are two types of threads The threads created by the user(create a thread in the program ) are called user threads. The threads that work in the background providing service to others are called Daemon Threads. The two methods used only in the daemon thread, not in the user thread are: Example … Read more
A string constant is a series of characters(array of characters or group of characters) enclosed with double quotes(like “GOOD “). A string constant is a one-dimensional (str11[]) array of characters. A character constant is a character enclosed in single quotes. (like ‘G ‘). Each character in a string takes only 1 byte. String and Character … Read more
Finally blocks(finally{}) are executed once the try block(try{}) exits. This block executes even after unexpected exceptions(errors) have occurred. Irrespective of the try block, the expression in finally block(finally{}) is always executed. This block(finally{}) is in-built with the capability of recovering lost and preventing the leak of resources. On closing and recovery of a file, the … Read more
Bubble sorting is the most popular sorting technique because it is very simple to understand and implement. The algorithm achieves its name from the fact that with each iteration the largest value moves like a bubble to the top of the array. The bubble sort method is not efficient for large arrays. Bubble Sort Algorithm … Read more
Borders are basically margined around the edges of a Swing component. Borders are useful for providing titles and empty spaces around components. The setBorder() is used to put a border around a component. Borders in JPanel Example import java.awt.*; import javax.swing.*; import javax.swing.border.*; import java.awt.event.*; public class VariousBorders extends JPanel { Border border; JButton butn; … Read more
BorderLayout divides the container into five parts (directions),east,west,north,south,centre. By using this Layout we can place AWT components in each part (different location). BORDER LAYOUT IN JAVA EXAMPLE import java.awt.*; import java.applet.*; public class bordr extends Applet { Button b1,b2,b3,b4,b5; public void init() { b1=new Button(“east”); b1.setBackground(Color.RED); b2=new Button(“west”); b2.setBackground(Color.GREEN); b3=new Button(“south”); b3.setBackground(Color.BLACK); b4=new Button(“north”); b4.setBackground(Color.BLUE); … Read more
In Java Program Structure, the java system may contain numerous classes of which one and only class characterize the main technique. Classes contain information members and techniques that work on the information members from the class. Strategies may contain information sort revelation and executable articulations. To compose a Java program, we first characterize classes and … Read more
Find Largest and Smallest Number in an Array means how to find the largest and smallest numbers in an array. In this example, we use 10 numbers in which we find the smallest and largest value. Program to Find Smallest and Largest in Java Array public class FindLargeSmall { public static void main(String[] args) { … Read more
Awt package is used for components and awt. event package is used for action performed. If we want to select only one option we use checkboxes.CheckboxGroup is a set of checkboxes in which we can select only one option(checkbox) . The checkboxes which are set in CheckboxGroup are called “radio buttons”. AWT Example import java.awt.*; … Read more