sorting

Author: joharbatta

Demo2.java

@@ -0,0 +1,32 @@
+
+public class Demo2{
+       public static void main(String args[])
+	   {
+			int x=10;
+			if(x==1)
+			{
+				System.out.println("True");
+			}
+			else
+			{
+				System.out.println("False");
+			}
+			int y=90;
+			if(y>=80)
+			{
+				System.out.println("A");
+			}
+			if(y>=60 &&y<80)
+	  		 {
+				System.out.println("B");		
+			}
+			if(y>=40&&y<60)
+			{
+				System.out.println("C");
+			}
+			if(y<40)
+			{
+				System.out.println("D");
+			}
+}
+}

Demo3.java

@@ -0,0 +1,25 @@
+public class Demo3
+{
+	public static void main(String args[])
+	{
+		int a=10;
+ 		if(a>0)
+		{
+			System.out.println("positive");
+		}
+		else
+		{
+			System.out.println("negative");
+		}
+		//one more case when a=0;
+		int b=7;
+		if(b%2==0)
+		{
+			System.out.println("even");
+		}
+		else
+		{
+			System.out.println("odd");
+		}
+	}
+}

Demo4.java

@@ -0,0 +1,35 @@
+import java.util.*;
+public class Demo4
+{
+		public static void main(String args[])
+		{
+		Scanner sc=new Scanner(System.in);
+		int m=sc.nextInt();
+		
+		switch(m%7)
+{
+		case 1:
+		System.out.println("Sunday");
+		break;
+		case 2:
+		System.out.println("Monday");
+		break;
+		case 3:
+		System.out.println("Tuesday");
+		break;
+		case 4:
+		System.out.println("Wednesday");
+		break;
+		case 5:
+		System.out.println("Thursday");
+		break;
+		case 6:
+		System.out.println("Friday");
+		break;
+		case 0:
+		System.out.println("Saturday");
+		break;
+
+}
+		}
+}

Demo5.java

@@ -0,0 +1,9 @@
+public class Demo5{
+	public static void main(String args[])
+	{
+	int x=1;
+	String str;
+	str=(x>10)?"True":"False";
+	System.out.println(str);
+	}
+}

Inherit.java

@@ -0,0 +1,36 @@
+class A{
+    public void show()
+    {
+
+        System.out.println("Parent class method");
+    }
+}
+
+class B extends A
+{
+    public void show()
+    {
+        super.show();
+        System.out.println("B class method");
+    }
+//    public B()
+//    {
+//        super();
+//    }
+
+}
+class C extends B
+{
+    public void show()
+    {
+        super.show();
+        System.out.println("C class method");
+    }
+}
+public class Inherit{
+    public static void main(String args[])
+    {
+        C obj=new C();
+        obj.show();
+    }
+}

inh.java

@@ -0,0 +1,60 @@
+class Student{
+    private int id=102;  //Instance variable
+    private String name;
+//    char c;
+    public void setId(int id)
+    {
+        this.id=id;
+    }
+    public int getId()
+    {
+        return this.id;
+    }
+    public void setname(String name)
+    {
+        this.name=name;
+    }
+    public String getname()
+    {
+        return this.name;
+    }
+//    public void show()
+//    {
+//        int id=101; //local variable
+//        System.out.println(this.id);
+//        System.out.println(id);
+    //}
+}
+
+public class inh {
+
+    public static void main(String args[])
+    {
+        Student obj=new Student();  // here new student is an object not obj new for asking class and student is constructor of class
+//        obj.id=101;
+//        obj.name="jatt";
+////        obj.c;
+////        System.out.println(obj.id);
+//        obj.show();
+//        System.out.println(obj.name);
+//        System.out.println(obj.c);
+
+        obj.setId(101);
+        obj.setname("johar");
+        int x=obj.getId();
+        String y=obj.getname();
+        System.out.println(x);
+        System.out.println(y);
+    }
+}
+
+// to acess private use getter and setter methods
+
+
+
+//byte short int long =01
+//
+//float double=0.0
+//
+//char='\u0000'
+

insertionSort.java

@@ -0,0 +1,32 @@
+import java.util.*;
+
+class insertionSort
+{
+    public static void main(String[] args) {
+
+        Scanner sc=new Scanner(System.in);
+        int n=sc.nextInt();
+        int arr[]=new int[n];
+        for(int i=0;i<n;i++)
+        {
+            arr[i]=sc.nextInt();
+        }
+
+        for(int i=1;i<n;i++)
+          {
+            int key=arr[i];
+            int j=i-1;
+
+            while(j>=0 && arr[j]>key)
+            {
+                arr[j+1]=arr[j];
+                j--;
+            }
+            arr[j+1]=key;
+        }
+        for(int i=0;i<n;i++)
+        {
+            System.out.print(arr[i]+" ");
+        }
+    }
+}

primeno.java

@@ -0,0 +1,27 @@
+import java.util.*;
+public class primeno
+{
+    public static void main(String args[])
+    {
+        Scanner sc=new Scanner(System.in);
+        int x=sc.nextInt();
+
+        for(int n=2;n<x;n++)
+        {
+            int flag=0;
+            for(int i=2;i<n;i++)
+            {
+                if(n%i==0)
+                {
+                    flag=1;
+                    break;
+                }
+            }
+            if(flag==0)
+            {
+                System.out.println(n);
+            }
+
+        }
+    }
+}