assignment 1 completed

Semester 2 (DSA)/assignment 1/Point.java

@@ -0,0 +1,38 @@
+//a1q11
+import java.util.*;
+public class Point 
+{
+	int x, y;
+	Point()
+	{
+		x=0;
+		y=0;
+	}
+	public void setPoint()
+	{
+		Scanner in = new Scanner(System.in);
+		System.out.print("Enter the Value of x :");
+		x=in.nextInt();
+		System.out.print("Enter the Value of y :");
+		y=in.nextInt();
+	}
+	public void findDistance(Point ob1, Point ob2)
+	{
+		int x1=ob1.x;
+		int y1=ob1.y;
+		int x2=ob2.x;
+		int y2=ob2.y;
+		double d=(x2-x1)*(x2-x1)+(y2-y2)*(y2-y1);
+		d=Math.sqrt(d);
+		System.out.println("Distance between the points = "+d);
+	}
+	public static void main(String args[])
+	{
+		Point ob1 = new Point();
+		Point ob2 = new Point();
+		Point ob = new Point();
+		ob1.setPoint();
+		ob2.setPoint();
+		ob.findDistance(ob1,  ob2);
+	}
+}

Semester 2 (DSA)/assignment 1/StudentDetails.java

@@ -0,0 +1,45 @@
+//a1q9
+import java.util.*;
+class Student
+{
+	String name;
+	int roll, marks;
+	Student()
+	{
+		name="";
+		roll=0;
+		marks=0;
+	}
+	public void setData()
+	{
+		Scanner in = new Scanner(System.in);
+		System.out.print("Name :");
+		name=in.nextLine();
+		System.out.print("Roll Number :");
+		roll=in.nextInt();
+		System.out.print("Marks :");
+		marks=in.nextInt();
+	}
+	public void display()
+	{
+		System.out.println("Name = "+name);
+		System.out.println("Roll Number = "+roll);
+		System.out.println("Marks = "+marks);
+	}
+}
+public class StudentDetails
+{
+	public static void main(String args[])
+	{
+		Student ob1 = new Student();
+		Student ob2 = new Student();
+		Student ob3 = new Student();
+		ob1.setData();
+		ob2.setData();
+		ob3.setData();
+		ob1.display();
+		ob2.display();
+		ob3.display();
+
+	}
+}

Semester 2 (DSA)/assignment 1/StudentDetails2.java

@@ -0,0 +1,40 @@
+//a1q10
+class Student2
+{
+	String name;
+	int roll, marks;
+	public void setData()
+	{
+		name="";
+		roll=0;
+		marks=0;
+	}
+	public void setData(String s, int i, int j)
+	{
+		name=s;
+		roll=i;
+		marks=j;
+	}
+	public void display()
+	{
+		System.out.println("Name = "+name);
+		System.out.println("Roll Number = "+roll);
+		System.out.println("Marks = "+marks);
+	}
+}
+public class StudentDetails2
+{
+	public static void main(String args[])
+	{
+		Student2 ob1 = new Student2();
+		Student2 ob2 = new Student2();
+		Student2 ob3 = new Student2();
+		ob1.setData();
+		ob2.setData("Marty",16,100);
+		ob3.setData("Aradhya",15,95);
+		ob1.display();
+		ob2.display();
+		ob3.display();
+
+	}
+}

Semester 2 (DSA)/assignment 1/a1q12.java

@@ -0,0 +1,68 @@
+//a1q12
+import java.util.*;
+class flower
+{
+	String name;
+	int n;
+	float price;
+	public void setFlowerName()
+	{
+		name="";
+	}
+	public void setFlowerName(String s)
+	{
+		name=s;
+	}
+	public void setPetalNumber()
+	{
+		n=0;
+	}
+	public void setPetalNumber(int i)
+	{
+		n=i;
+	}
+	public void setPrice()
+	{
+		price=0.0f;
+	}
+	public void setPrice(float p)
+	{
+		price=p;
+	}
+	public String getFlowerName()
+	{
+		return name;
+	}
+	public int getPetalNumber()
+	{
+		return n;
+	}
+	public float getPrice()
+	{
+		return price;
+	}
+}
+public class a1q12
+{
+	public static void main(String args[])
+	{
+		Scanner in = new Scanner(System.in);
+		flower ob1 = new flower();
+		flower ob2 = new flower();
+		System.out.println("Enter the Flower\'s Name : ");
+		ob1.setFlowerName(in.nextLine());
+		System.out.println("Enter the Flower\'s number of Petals : ");
+		ob1.setPetalNumber(in.nextInt());
+		System.out.println("Enter the Flower\'s Price : ");
+		ob1.setPrice(in.nextFloat());
+		System.out.println("Name of Flower : "+ob1.getFlowerName());
+		System.out.println("Number of Petals is the Flower : "+ob1.getPetalNumber());
+		System.out.println("Price of Flower : "+ob1.getPrice());
+		ob2.setFlowerName();
+		ob2.setPetalNumber();
+		ob2.setPrice();
+		System.out.println("Name of Flower : "+ob2.getFlowerName());
+		System.out.println("Number of Petals is the Flower : "+ob2.getPetalNumber());
+		System.out.println("Price of Flower : "+ob2.getPrice());
+	}
+}

Semester 2 (DSA)/assignment 1/a1q4.java

@@ -0,0 +1,27 @@
+import java.util.*;
+class a1q4
+{
+	public static void main(String args[])
+	{
+		Scanner in = new Scanner(System.in);
+		ArrayList<String> arr = new ArrayList<String>();
+		System.out.println("Start adding Sentences :");
+		for(int i=0; ; i++)
+		{
+			String s=in.nextLine();
+			if(s.equals(""))
+			{
+				break;
+			}
+			else
+			{
+				arr.add(s);
+			}
+		}
+		System.out.println("Printing the Sentences in Reverse order");
+		for(int i=arr.size()-1; i>=0; i--)
+		{
+			System.out.println(arr.get(i));
+		}
+	}
+}

Semester 2 (DSA)/assignment 1/a1q5.java

@@ -0,0 +1,28 @@
+import java.util.*;
+class a1q5
+{
+	public static void main(String args[])
+	{
+		a1q5 ob = new a1q5();
+		Scanner in = new Scanner(System.in);
+		System.out.print("Enter the number :");
+		boolean k=ob.isEven(in.nextInt());
+		if(k)
+		{
+			System.out.println("The numbe is Even");
+		}
+		else
+		{
+			System.out.println("The numbe is odd");
+		}
+	}
+	public boolean isEven(int n) 
+    { 
+        boolean k = true; 
+
+        for (int i = 1; i <= n; i++)  
+            k = !k; 
+
+        return k; 
+    } 
+}

Semester 2 (DSA)/assignment 1/a1q6.java

@@ -0,0 +1,43 @@
+import java.util.*;
+class a1q6
+{
+	public static void main(String args[])
+	{
+		Scanner in = new Scanner(System.in);
+		System.out.print("Enter the Length of array :");
+		int n=in.nextInt();
+		int arr[] = new int[n];
+		for(int a=0; a<arr.length; a++)
+		{
+			System.out.print("arr["+a+"]=");
+			arr[a]=in.nextInt();
+		}
+		a1q6 ob = new a1q6();
+		System.out.println("Largest Element is "+ob.largest(arr));
+		System.out.println("Smallest Element is "+ob.smallest(arr));
+	}
+	public int largest(int arr[])
+	{
+		int n=arr[0];
+		for(int a=1; a<arr.length; a++)
+		{
+			if(n<arr[a])
+			{
+				n=arr[a];
+			}
+		}
+		return n;
+	}
+	public int smallest(int arr[])
+	{
+		int n=arr[0];
+		for(int a=1; a<arr.length; a++)
+		{
+			if(n>arr[a])
+			{
+				n=arr[a];
+			}
+		}
+		return n;		
+	}
+}

Semester 2 (DSA)/assignment 1/a1q7.java

@@ -0,0 +1,35 @@
+import java.util.Scanner;
+class a1q7
+{
+	public static void main(String args[])
+	{
+		Scanner in = new Scanner(System.in);
+		System.out.print("Enter the Length of array :");
+		int n=in.nextInt();
+		int arr[] = new int[n];
+		for(int a=0; a<arr.length; a++)
+		{
+			System.out.print("arr["+a+"]=");
+			arr[a]=in.nextInt();
+		}
+		a1q7 ob = new a1q7();
+		ob.findOddPair(arr);
+	}
+	public void findOddPair(int arr[])
+	{
+		for(int a=0; a<arr.length-1; a++)
+		{
+			for(int b=a; b<arr.length; b++)
+			{
+				if(isOdd(arr[a]*arr[b]))
+				{
+					System.out.println(arr[a]+" , "+arr[b]);
+				}
+			}
+		}
+	}
+	public boolean isOdd(int i)
+	{
+		return i%2==1;
+	}
+}

Semester 2 (DSA)/assignment 1/a1q8.java

@@ -0,0 +1,29 @@
+import java.util.*;
+class a1q8
+{
+	public static void main(String args[])
+	{
+		Scanner in = new Scanner(System.in);
+		System.out.print("Enter the Length of array :");
+		int n=in.nextInt();
+		int p[] = new int[n];
+		int q[] = new int[n];
+		int r[] = new int[n];
+		for(int a=0; a<p.length; a++)
+		{
+			System.out.print("p["+a+"]=");
+			p[a]=in.nextInt();
+		}
+		for(int a=0; a<q.length; a++)
+		{
+			System.out.print("q["+a+"]=");
+			q[a]=in.nextInt();
+		}
+		System.out.println("p[i] X q[i] = r[i]");
+		for(int a=0; a<n; a++)
+		{
+			r[a]=p[a]*q[a];
+			System.out.println("r["+a+"]="+r[a]);
+		}
+	}
+}