Add files via upload

Signed-off-by: kalyani chaudhari <138003080+misskalyani@users.noreply.github.com>

Author: misskalyani

CORE JAVA/Amulya/src/SY/SYmarks.java

@@ -0,0 +1,18 @@
+package SY;
+
+public class SYmarks
+{
+	int ct,mt,et;
+	public SYmarks(int ct,int mt,int et)
+	{
+		this.ct=ct;
+		this.mt=mt;
+		this.et=et;
+	}
+	public void disp()
+	{
+		System.out.println("\nSy Marks");
+		System.out.println("Computer\tMaths\tElectronics");
+		System.out.println(ct+"\t"+mt+"\t"+et);
+	}	
+}

CORE JAVA/Amulya/src/Student.java

@@ -0,0 +1,73 @@
+import SY.*;
+import TY.*;
+import java.util.*;
+
+public class Student 
+{
+	int rno;
+	String name;
+	SYmarks sy;
+	TYmarks ty;
+	double per;
+	char grade;
+	Student(int rno,String name,int ct,int mt,int et,int Theory,int Practicals)
+	{
+		sy=new SYmarks(ct, mt, et);
+		ty=new TYmarks(Theory, Practicals);
+		this.rno=rno;
+		this.name=name;
+		perCalc(ct, mt, et, Theory, Practicals);
+		Grade();
+	}
+	void perCalc(int ct,int mt,int et,int Theory,int Practicals)
+	{
+		this.per=(double)(ct+mt+et+Theory+Practicals)/5;
+	}
+	
+	void Grade()
+	{
+		if(per>=70)
+			grade='A';
+		else if(per>=60)
+			grade='B';
+		else if(per>=50)
+			grade ='C';
+		else if(grade>=40)
+			grade='D';
+		else
+			grade='F';
+	}
+	void disp()
+	{
+		System.out.println(rno+name+sy+ty+per+grade);
+	}
+	public static void main(String[] args) 
+	{
+		Scanner sc=new Scanner(System.in);
+		System.out.println("Enter Limit ");
+		int n=sc.nextInt();
+		Student ob[]= new Student[n];
+		for (int i =0;i<n;i++)
+		{
+			System.out.println("Enter roll no :: ");
+			int r=sc.nextInt();
+			System.out.println("Enter Name :: ");
+			String nm=sc.next();
+			System.out.println("Enter Computer Marks :: ");
+			int c=sc.nextInt();
+			System.out.println("Enter MAth MArks");
+			int m=sc.nextInt();
+			System.out.println("Enter Eletronic marks");
+			int e=sc.nextInt();
+			System.out.println("Enter Theory marks");
+			int t=sc.nextInt();
+			System.out.println("Enter Practal marks");
+			int p=sc.nextInt();
+			ob[i]=new Student(r, nm, c, m, e, t, p);
+			ob[i].disp();
+		}
+		
+	
+	}
+
+}

CORE JAVA/Amulya/src/TY/TYmarks.java

@@ -0,0 +1,18 @@
+package TY;
+
+public class TYmarks 
+{
+	int Theory,Practicals;
+	public TYmarks(int Theory,int Practicals)
+	{
+		this.Theory=Theory;
+		this.Practicals=Practicals;
+	}
+	public void disp()
+	{
+		System.out.println("\nTy Marks ");
+		System.out.println("Theory\tPracticals");
+		System.out.println(Theory+"\t"+Practicals);
+	}
+}
+

CORE JAVA/Chakuli/src/Operation/Addition.java

@@ -0,0 +1,24 @@
+package Operation;
+
+class Maximum
+{
+	public void add(int a,int b)
+	{
+		System.out.println(a+b);
+	}
+	public void sub(float a,float b)
+	{
+		System.out.println(a-b);
+	}
+}
+public class Addition extends Maximum
+{
+	public void max(int a,int b)
+	{
+		if(a>b)
+			System.out.println("a max");
+		else
+			System.out.println("b max");
+	}
+}
+

CORE JAVA/Chakuli/src/main.java

@@ -0,0 +1,26 @@
+import Operation.*;
+import java.util.*;
+public class main 
+{
+
+	public static void main(String[] args)
+	{
+		int n1,n2;
+		float num1,num2;
+		Scanner sc=new Scanner(System.in);
+		System.out.println("Enter first no=");
+		n1=sc.nextInt();
+		System.out.println("Enter second no=");
+		n2=sc.nextInt();
+		System.out.println("Enter third no=");
+		num1=sc.nextFloat();
+		System.out.println("Enter fourth no=");
+		num2=sc.nextFloat();
+		Addition ob1=new Addition();
+		ob1.add(n1,n2);
+		ob1.sub(num1,num2);
+		ob1.max(n1,n2);
+
+	}
+
+}

CORE JAVA/Demo/src/Demo.java

@@ -0,0 +1,30 @@
+class Demo
+{
+    void evenodd(int n)
+     {
+        if(n%2==0)
+            System.out.print("\nNumber is Even");
+       else
+            System.out.print("\nNumber is Odd");
+     }
+         void leapyear(int y)
+      {
+              if(y%4==0)
+            System.out.print("\nYear is Leap Year");
+       else
+            System.out.print("\nYear is Not Leap Year");
+     }
+        void square(int n)
+        {
+             int s=n*n;
+             System.out.print("\nSquare="+s);
+ }
+    public static void main(String arg[])
+  {
+       Demo ob;                 //create object
+       ob=new Demo();    //Allocate memory
+       ob.evenodd(5);       //calling functions
+       ob.leapyear(2024);
+       ob.square(5);  
+   }
+}

CORE JAVA/Exception/src/Error.java

@@ -0,0 +1,27 @@
+import java.io.*;
+public class Error {
+
+	public static void main(String[] args) {
+		int b=0,c=0,d=0,e=0;
+		try
+		{
+			int a=7;
+			b=a-3;
+			c=a+8;
+			d=a/0;
+			e=a*7;
+		}
+		catch(Exception e1)
+		{
+			System.out.println("Error = "+e1);
+		}
+		finally
+		{
+			System.out.println("Addition = "+b);
+			System.out.println("Subtraction = "+c);
+			System.out.println("Division = "+d);
+			System.out.println("Multiplication = "+e);
+		}
+	}
+
+}

CORE JAVA/Exception/src/Throw.java

@@ -0,0 +1,19 @@
+import java.io.*;
+public class Throw {
+//DataInputStream la throw kiva try catch use karav lagta nahi tr error show hoteerty  
+	public static void main(String[] args) throws Exception
+	{
+		try
+		{
+			DataInputStream dis=new DataInputStream(System.in);
+			System.out.println("Enter Name = ");
+			String name = dis.readLine();
+			System.out.println("Name = "+name);
+		}
+		catch(Exception e1)
+		{
+			System.out.println("Error = "+e1);
+		} 	
+	}
+
+}

CORE JAVA/Exception/src/ThrowTry.java

@@ -0,0 +1,15 @@
+import java.io.*;
+public class ThrowTry 
+{
+
+	public static void main(String[] args) throws Exception
+	{
+			DataInputStream dis=new DataInputStream(System.in);
+			System.out.println("Enter Name = ");
+			String name = dis.readLine();
+			System.out.println("Name = "+name);
+	
+	
+	}
+
+}

CORE JAVA/Exception/src/Try.java

@@ -0,0 +1,18 @@
+import java.io.*;
+public class Try {
+
+	public static void main(String[] args) {
+		try
+		{
+			DataInputStream dis=new DataInputStream(System.in);
+			System.out.println("Enter Name = ");
+			String name = dis.readLine();
+			System.out.println("Name = "+name);
+		}
+		catch(Exception e1)
+		{
+			System.out.println("Error = "+e1);
+		} 	
+	}
+
+}