This program shows how to write data into a file using Java’s FileOutputStream class. It writes the ASCII value of the number 65 to a file named testout.txt located on the D: drive. Step-by-Step Breakdown: 1. Importing FileOutputStream Class: import […]

This program demonstrates the usage of the join() method in Java, which is used to pause the execution of the current thread until the thread on which join() is called has finished its execution. Step-by-Step Breakdown: 1. Class Declaration and

Inside the main() method: The above line declares a new instance of class Multi, t1 represents the thread. 4. Execution Flow: Important Notes: Output: The output of this program will be: thread is running. Explanation of the Output: Conclusion: It

Step-by-Step Explanation 1. Importing the java.util.regex Package import java.util.regex.*; This program imports all classes from the java.util.regex package. The classes in this package are Pattern and Matcher, which enable matching strings according to regular expressions. 2. Class Declaration: public class

Breakdown: 1. Imports Required Classes  import java.sql.*; The program declares necessary classes of the java.sql package. This package contains classes which are used in Java to deal with databases. 2. Class Declaration: public class Proc {  } The class Proc

Breakdown: 1. Imports Required Classes  import java.sql.*; The program declares necessary classes of the java.sql package. This package contains classes which are used in Java to deal with databases. 2. Class Declaration: public class Proc {  } The class Proc

Step-by-Step Breakdown: 1. Importing Required Classes: import java.sql.*; import java.io.*; The java.sql package provides classes for database operations, while the java.io package provides classes to handle file operations (like FileInputStream). 2. Class Declaration: public class InsertImage { This declares the

Step by Step: 1. Importing Required Classes: import java.sql.*; The java.sql package is being imported. Classes like Connection, Statement, PreparedStatement, etc are being used in order to talk to a database. 2. Class Declaration class InsertPrepared { In the above

Step-by-Step Breakdown: 1. Import Necessary Classes: import java.sql.*; The java.sql package is imported, which contains classes required for JDBC operations such as Connection, Statement, and ResultSet. 2. Class Declaration: class OracleCon{ The program is enclosed in a class called OracleCon.

10. Print the Sorted Array: System.out.println(“Sorted list of numbers”); for (c = 0; c < n; c++) System.out.println(array[c]); Once sorted, the program prints the sorted array by using a for loop. Example Input and Output: Input: Input number of integers

Explanation of the Binary Search Program:  This program demonstrates Binary Search for efficiently finding a given value in a sorted array. 1. Import Scanner Class: import java.util.Scanner; The Scanner class is imported to read user input from the console. 2.

Program Explanation in Steps: This is a Java program that demonstrates how interfaces work. It includes the declaration of an interface called Info, the declaration of a class Simple that implements this interface, and it displays how methods of an

Program Explanation Step-by-Step: This Java program illustrates the use of try, catch and finally blocks. It tries to get a large array and handle exceptions if encountered during allocation. The final block ensures that some code will always be executed,

Step-by-Step Explanation of the Program: This Java program demonstrates how to manually throw an exception in Java, using the keyword throw statement when a certain condition is met. For this example, it checks if a person’s age is less than

Step-by-Step Explanation of the Program: This program is an example of exception handling in Java, where the program handles the ArithmeticException while performing division of two integers taken as input from the user and handles the situation when it is

1. Class Declaration: public class Language {    String name; A class called Language is defined by an instance variable name of type String. This variable will store the name of the programming language. 2. Constructors: Language() {    System.out.println(“Constructor method called.”);

1. Class Declaration: class Programming { An empty class named Programming is declared. 2. Constructor Method: Programming() {     System.out.println(“Constructor method called.”); } 3. Main Method (Program Execution Starts Here): public static void main(String[] args) { The entry point of the

Step-by-Step Explanation: This software is divided into two classes: Computer and Laptop. In this example, it explains how inheritance is implemented in Java through the Laptop class which is a subclass of Computer. Class: Computer class Computer {    Computer() {

Step-by-Step Explanation: 1. Class Declaration: class Methods { ‘Class Methods’ is declared with the existence of a constructor, a static method, non-static method, and the main method. 2. Constructor Method: Methods() System.out.println(“Constructor method is called when an object of it’s

Step-by-Step Breakdown: 1. Class and Method Declaration: public class StringLowerExample  {     public static void main(String args[])       { 2. String Initialization: String s1 = “TechSarvam by Rajendrasarvam HELLO stRIng”; 3. Using toLowerCase() Method: String s1lower = s1.toLowerCase(); The string s1lower after

First Method: Using Reverse String Comparison Let’s break down the first approach where the string is reversed and compared with the original string. 1. Class Definition: class Palindrome The class Palindrome is declared. Here, the main method will be defined.

Step-by-Step Breakdown: 1. Class and Method Declaration: public class StringTrimExample  {    public static void main(String args[])  { 2. String Declaration: String s1 = ” hello string\t”; 3. Print Without Using trim() System.out.println(s1 + “TechSarvam”); 4. Using trim() Method: System.out.println(s1.trim() +

Step-by-Step Breakdown: 1. Class Declaration: public class SplitExample  {    public static void main(String args[])     { 2. String Declaration String s1 = “java string split method by TechSarvam”; 3. Using split() Method String[] words = s1.split(\\\\\\\\s); [java, string, split, method, by,

Step-by-Step Breakdown: 1. Class and Method Declaration: public class ReplaceAllExample2  {     public static void main(String args[])      { 2. String Declaration: String s1 = “My name is Rajendra. My name is Sarvam. My name is TechSarvam.”; A String variable s1 is

Step-by-Step Explanation 1. Class and Method Declaration: public class IndexOfExample  { public static void main(String args[])  { 2. String Declaration: String s1 = “this is index of example”; A string variable s1 is declared and initialized with value “this is

Step-by-Step Breakdown: 1.  Class and Main Method Declaration: class StringEndwith  {             public static void main(String args[])  { 2. Declaration of the String String s1 = “java by TechSarvam”; The variable s1 is declared and initialized with the string “java by

Here’s a step-by-step explanation of the program: 1. Class and Method Declaration: public class LastIndexOfExample {     public static void main(String args[]) {  2. String Declarations: String s1=”hello”; String s2=”hello”; String s3=”meklo”; String s4=”hemlo”; Four String variables are declared: 3. compareTo()

Step-by-Step Breakdown 1. Importing the Scanner Class: import java.util.Scanner; This imports the Scanner class to accept user input from the console. 2. Class and Main Method: class TransposeAMatrix {      public static void main(String args[]) The program has been encapsulated in

Step-by-Step Explanation: 1. Scanner Class Import: import java.util.Scanner; This imports the Scanner class, which the program will use to read user input. 2. Class and method Definition: class MatrixMultiplication {     public static void main(String args[]) 3. Declarations of Variables: int

Step-by-Step Explanation: 1. Importing Scanner Class: import java.util.Scanner; This imports the Scanner class from java.util to read from the user. 2. Class Definition: class AddTwoMatrix A class AddTwoMatrix is declared that contains the main method from where the program execution

Class 1: ReverseString (Manual Method) This class explains how one could reverse a string manually character by character using a for loop. Step-by-Step Explanation: 1. Importing Scanner Class:  import java.util.*; This imports the Scanner class, which is used to take

Step-by-Step Explanation: 1. Import Scanner Class:    import java.util.Scanner; – The Scanner class is imported to permit input from the user through the console. 2. Class Definition:    class SubstringsOfAString    – A class called SubstringsOfAString is defined. In the class lies the

Code Breakdown: 1. Importing Scanner Class: import java.util.Scanner; Scanner class is declared to scan for the input from the user. 2. Class Definition: class FloydTriangle Here, a class FloydTriangle is declared. The class contains the main method where the execution

Code Breakdown: 1. Importing Scanner Class: import java.util.Scanner; This imports the Scanner class, which is used to take input from the user. 2. Class Definition: class ArmstrongNumber The class ArmstrongNumber contains the main method, where the program execution starts. 3.

Code Breakdown: 1. Importing the Scanner Class:  import java.util.*; It brings in the Scanner class because it has to read input from the user. 2. Class Declaration: class PrimeNumbers This declares a class named PrimeNumbers. The main method is inside

Code Explanation: 1. Scanner Class Import: import java.util.Scanner; This imports the Scanner class, which is used to read input from the user. 2. Class Definition: class Tables This defines a class named Tables. Inside this class is the main method,

Part-1: For Each Loop with an Integer Array primes[] Code Explanation 1. Declaring the class class EnhancedForLoop It declares a class called EnhancedForLoop. The main method is the starting point for the program to run. 2. Main Approach: This is

Code Analysis: 1.  Class Definition: class Alphabets This defines a class named Alphabets. A class is the template by which objects are created in Java; however, in the code below, the class only exists to run a program from within

Code Breakdown 1. Scanner Class Importation: This line imports the Scanner class, which is needed to read input from the user. 2. Class Definition: class BreakContinueWhileLoop This is the definition of the class called BreakContinueWhileLoop. 3. Main Method: public static

Code Breakdown: 1. Importing Scanner Class: import java.util.Scanner; This imports the Scanner class, which is part of the Java standard library and is used to take input from the user. 2. Class Definition: class BreakWhileLoop This defines a class named

Step-by-Step Explanation: 1.  Import the Scanner Class: import java.util.Scanner; The Scanner class is imported to read input from the user. 2. Class Declaration: class ReverseNumber { This declares a class named ReverseNumber that contains the main method, which will execute

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Step-by-Step Explanation 1.  Import the Scanner Class: Import java.util.Scanner; In the code, the Scanner class in java.util is imported to enable the user’s input into the program. 2. Class Declaration: class WhileLoop { The program consists of a declared class

Step-by-Step Explanation: 1. Class Declaration: class Stars { A class named Stars is declared. This class contains the logic to print the star pattern. 2. Main Method Declaration: public static void main(String[] args) { The main method is the entry

Step-by-Step Explanation: 1. Import Scanner Class: import java.util.Scanner; The Scanner class from java.util is imported so that it can read what the user inputs. 2.  Class Declaration: class CompareStrings { A class called CompareStrings is declared, consisting of the logic

Let’s have both programs presented. The first one calculates the factorial for an integer using a simple loop in case the number is not too large, and the second one, which is pretty much the same computation, uses the BigInteger

Step-by-Step Explanation: 1. Import Scanner class:  import java.util.Scanner;  It is used to import the Scanner class from java.util package. This class reads input from users. 2. Class Declaration: class OddOrEven Declare a class named OddOrEven, that holds the logic to

Let’s walk through the Java code given below with a step-by-step explanation for each part of the code. Step-by-step Explanation: 1. Importing the ‘Scanner’ class: import java.util.Scanner; Allows us to take input from the console using the ‘Scanner’ class from

Let’s walk through the Java code given below with a step-by-step explanation for each part of the code. Step-by-step Explanation: 1. Importing the ‘Scanner’ class: import java.util.Scanner; Allows us to take input from the console using the ‘Scanner’ class from

Step-by-Step Explanation: 1. Import Scanner class: import java.util.Scanner; This class imports the Scanner from the java.util package, which helps read the input of the user. 2. Class Declaration: class IfElse { The class IfElse is declared here. This class holds

Step-by-Step Explanation: 1. Class Declaration:  class Condition {  It declares a class named ‘Condition’. It is the class that will contain the logic of the program, which is to check the condition using a boolean variable. 2. Main Method: public

Let’s go line by line through the Java program, LargestOfThreeNumbers, to see how it works, then demonstrate the output. Step-by-Step Explanation: 1.  Import the class of Scanner type: import java.util.Scanner; The Scanner class is imported from the java.util package, allowing

Let’s have a look at two programs. One adds two integers, the other uses BigInteger to add large numbers. Explanation of AddNumbers Step-by-Step 1. Import the Scanner class:   Import java.util.Scanner; This statement imports the Scanner class from the package java.util

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