SVU IV SEMESTER NOTES&SYLLABUS BCOM/BA (CA) 2024

 IV SEM SYLLABUS

JAVA Material

DBMS I,II&III UNIT

SQL Material

PL/SQL Material

DBMS Practical Program

JAVA Practical Program

package NumPrograms;
public class GeometricMethodOverloading 
{
	void calcArea(float a)			
	{
		float area = a * a;
		System.out.println("The Area of a Square    = " + area + " Sq Units");
	}
	
	void calcArea(float a, float b)	
	{
		float area = a * b;
		System.out.println("The Area of a Rectangle = " + area + " Sq Units");
	}	
	
	void calcArea(double r)			
	{
		double area = 3.14 * r * r;
		System.out.println("The Area of a Circle    = " + area + " Sq Units");
	}	
	
	void calcArea(double a, double b)
	{
		double area = (a * b) / 2;
		System.out.println("The Area of a Triangle  = " + area);
	}
	
	public static void main(String[] args) 
	{
		GeometricMethodOverloading obj = new GeometricMethodOverloading();
		
		obj.calcArea(10.6f);
		
		obj.calcArea(14.3f, 22.5f);
		
		obj.calcArea(11.67);
		
		obj.calcArea(18.0, 25.4);
	}
}

class NumberPrinter extends Thread {
    private int start;
    private int increment;

    public NumberPrinter(int start, int increment) {
        this.start = start;
        this.increment = increment;
    }

    public void run() {
        for (int i = start; i <= 5; i += increment) {
            System.out.println("Thread " + Thread.currentThread().getId() + ": " + i);
        }
    }
}

public class Main {
    public static void main(String[] args) {
        NumberPrinter thread1 = new NumberPrinter(1, 2);
        NumberPrinter thread2 = new NumberPrinter(2, 2);

        thread1.start();
        thread2.start();
    }
}

a. // Java Program to Handle Divide By Zero Exception
import java.io.*;
class GFG {
    public static void main(String[] args)
    {
        int a = 6;
        int b = 0;
        System.out.print(a / b);
        // this line Throw  ArithmeticException: / by zero
    }
}
Output: 
C:\demo>javac GFG.java

C:\demo>java GFG
Exception in thread "main" java.lang.ArithmeticException: / by zero
        at GFG.main(GFG.java:7)

b. // Java Program to Handle Divide By Zero Exception
import java.io.*;
class GFG {
    public static void main(String[] args)
    {
        int a = 5;
        int b = 0;
        try {
            System.out.println(a / b); // throw Exception
        }
        catch (ArithmeticException e) {
            // Exception handler
            System.out.println(
                "Divided by zero operation cannot possible");
        }
    }
}
output: 
C:\demo>javac GFG.java

C:\demo>java GFG
Divided by zero operation cannot possible
c. // Java Program to arthimetic exception
import java.io.*;
 
class GFG {
    public static void main(String[] args)
    {
        try {
            int number[] = new int[10];
            number[10] = 30 / 9;
        }
        catch (ArithmeticException e) {
            System.out.println(
                "Zero cannot divide any number");
        }
        catch (ArrayIndexOutOfBoundsException e) {
            System.out.println(
                "Index out of size of the array");
        }
    }
}
output:
C:\demo>javac GFG.java

C:\demo>java GFG
Index out of size of the array