Add files via upload

Author: nibinpsreenivas

Diff for: addmat.class

@@ -0,0 +1,62 @@
+import java.util.*;
+class addmat
+{
+  public static void main(String args[])
+  { 
+      int a[][] = new int[10][10];
+      int b[][] = new int[10][10];
+      int c[][] = new int[10][10];
+     Scanner obj = new Scanner(System.in);
+     System.out.println("how many row in martix a");
+     int r1 = obj.nextInt();
+     System.out.println("how many coln in matrix a");
+     int c1 = obj.nextInt();
+
+     System.out.println("how many row in ");
+     int r2 = obj.nextInt();
+     System.out.println("how many coln");
+     int c2 = obj.nextInt();
+  if(r1==c2)
+  {   
+    
+     System.out.println("enter the elements into the array a");
+     for(int i=0;i<r1;i++)
+      for(int j=0;j<c1;j++)
+      a[i][j] = obj.nextInt();
+      
+      System.out.println("enter the elements into the array b");
+     for(int i=0;i<r1;i++)
+      for(int j=0;j<c1;j++)
+      b[i][j] = obj.nextInt();
+      
+   System.out.println("matrix a");
+     for(int i=0;i<r1;i++)
+    {
+       System.out.println();  
+       for(int j=0;j<c1;j++)
+       System.out.print(a[i][j]+" ");
+    }
+
+   System.out.println("matrix b");
+     for(int i=0;i<r1;i++)
+    {
+       System.out.println();  
+       for(int j=0;j<c1;j++)
+       System.out.print(b[i][j]+" ");
+    }
+   
+      for(int i=0;i<r1;i++)
+        for(int j=0;j<c1;j++)
+             c[i][j] =a[i][j]+b[i][j];
+     System.out.println("matrix a+b");
+     for(int i=0;i<r1;i++)
+    {
+       System.out.println();  
+       for(int j=0;j<c1;j++)
+       System.out.print(c[i][j]+" ");
+    }
+  }
+  else
+     System.out.println("add is not possible"); 
+  }
+}

Diff for: addmat.java

@@ -0,0 +1,16 @@
+import java.util.*;
+class addtwo
+ {
+   public static void main(String args[])
+    {
+      int a,b,sum;
+      Scanner obj = new Scanner(System.in);
+        System.out.println("Enter the first number");
+          a = obj.nextInt();
+
+        System.out.println("Enter the second number");
+          b = obj.nextInt();
+       sum=a+b;
+       System.out.println("sum of two numbers :"+sum);
+    }
+ }

Diff for: addtwo.class

@@ -0,0 +1,32 @@
+import java.util.*;
+class amstrong
+{
+  public static void main(String args[])
+  {
+    int a,temp,count=0,result=0,d,i;
+   Scanner obj = new Scanner(System.in);
+    System.out.println("enter the number");
+    a = obj.nextInt();
+    temp=a;
+  while(a!=0)
+   {
+    a=a/10;
+    count++;
+   }
+  a=temp;
+ while(a!=0)
+   { int multi=1;
+     d=a%10;
+      for(i=0;i<count;i++)
+       multi =multi*d  ;
+    a=a/10;
+    result = result+multi;
+   }
+   a=temp;
+   if(result==temp)
+    System.out.println("the number "+a+" is amstrong");
+   else
+     System.out.println("the number "+a+" is not amstrong");
+    } 
+}
+

Diff for: addtwo.java

@@ -0,0 +1,41 @@
+import java.util.*;
+class area
+{
+  public static void main(String args[])
+  { 
+     Scanner ob = new Scanner(System.in);
+     area obj= new area();
+      System.out.println("enter the length of rectangle");
+      int l = ob.nextInt();
+      System.out.println("enter the breath of rectangle");
+      int b = ob.nextInt();
+      System.out.println("enter the radius of circle");
+      float r = ob.nextFloat();
+      System.out.println("enter the height of triangle");
+      float h = ob.nextFloat();
+      System.out.println("enter the base of triangle");
+      float ba = ob.nextFloat();     
+      obj.areaofshape(l,b);
+      obj.areaofshape(h,ba);
+      obj.areaofshape(r);
+  }
+ 
+  void areaofshape(int l,int b)
+   {
+      int area = l*b;
+       
+     System.out.println("area of rectangle = "+area);
+   }
+  void areaofshape(float h,float ba)
+   {
+      float area = (h*ba)/2;
+       
+     System.out.println("area of triangle = "+area);
+   }
+    void areaofshape(float r)
+   {
+      double area = 3.14*r*r;
+       
+     System.out.println("area of circle = "+area);
+   }
+}

Diff for: amstrong.class

@@ -0,0 +1,31 @@
+import java.util.*;
+class concatenate
+{
+  public static void main(String args[])
+  { 
+      Scanner ob = new Scanner(System.in);
+      concatenate obj= new concatenate();
+      System.out.println("enter the first number");
+      int first = ob.nextInt();
+      System.out.println("enter the second number");
+      int second = ob.nextInt();
+      
+      System.out.println("enter the first string");
+      String s= ob.next();
+
+      System.out.println("enter the second string");
+      String r= ob.next();
+
+      obj.concat(first,second);
+      obj.concat(s,r);
+  }
+ 
+  void concat(int f,int s)
+   {
+     System.out.println("concatenated numbers is = "+f+s);
+   }
+  void concat(String f,String s)
+   {
+     System.out.println("concatenated string is = "+f+s);
+   }
+}

Diff for: amstrong.java

@@ -0,0 +1,36 @@
+import java.util.*;
+class employ
+{
+  int e,p;
+  String s; 
+  
+  public static void main(String args[])
+  { 
+     int i;
+    
+     Scanner obb = new Scanner(System.in);
+     employ obj[] = new employ[20];
+     System.out.println("how many number of employs");
+     int n = obb.nextInt();
+     for(i=0;i<n;i++)
+     {
+      obj[i]= new employ();
+      System.out.println("enter the empno");
+      obj[i].e =obb.nextInt();
+      System.out.println("enter name of employs");
+      obj[i].s=obb.next();
+      System.out.println("enter the phone number");
+      obj[i].p=obb.nextInt();
+     }
+      for(i=0;i<n;i++)
+     {
+       
+       
+      System.out.println("the empno:"+obj[i].e);
+      System.out.println("the name of employ:"+obj[i].s);
+      System.out.println("the phonenumebr :"+obj[i].p);
+     }
+          
+  }
+}
+   

Diff for: area.class

@@ -0,0 +1,17 @@
+import java.util.*;
+class factor
+ {
+   public static void main(String args[])
+   {
+     int n,i;
+     Scanner obj = new Scanner(System.in);
+    System.out.println("enter the number");
+      n = obj.nextInt();
+    for(i=1;i<n;i++)
+    {
+      if(n%i==0)
+        System.out.println(i);
+     }
+  }
+}
+   

Diff for: area.java

@@ -0,0 +1,19 @@
+import java.util.*;
+class factorial
+{
+  public static void main(String args[])
+  {
+    int n,i,fact=1;
+    Scanner obj = new Scanner(System.in);
+      System.out.println("enter the number");
+      n = obj.nextInt();
+     for(i=1;i<=n;i++)
+      {
+        fact = fact*i;
+      }
+     System.out.println(fact);
+  }
+   
+}
+
+

Diff for: concatenate.class

@@ -0,0 +1,20 @@
+import java.util.*;
+class fibonacci
+{
+  public static void main(String args[])
+  {
+    int n,first=0,second=1,third,i;
+    Scanner obj = new Scanner(System.in);
+    System.out.println("enter the number");
+    n = obj.nextInt();
+   for(i=0;i<n;i++)
+   {
+      System.out.println(first);
+      third = first + second;
+      first = second;
+      second = third;
+   }
+ }
+}
+
+

Diff for: concatenate.java

@@ -0,0 +1,43 @@
+import java.util.*;
+class freqandrev
+{
+  public static void main(String args[])
+  { 
+     freqandrev obj= new freqandrev();
+     System.out.println("enter the string");
+     Scanner ob = new Scanner(System.in);
+     String s = ob.nextLine();
+      int z = s.length();
+     char x[]=s.toCharArray();
+     System.out.println("enter the character to find the frequency of time it repeat");
+     char y = ob.next().charAt(0);
+       obj.frequency(x,y,z);
+       obj.rev(x,z);
+   
+  }
+ 
+  void frequency(char x[],char y,int z)
+   {
+      int count=0,i;
+    for(i=0;i<z;i++)
+       if(y==x[i])
+         count++;
+    if(count==0)
+         System.out.println("entered the character is not in the string");
+       else
+              System.out.println("enter the character repeat "+count+"times");
+    }
+ void rev(char x[],int z)
+   {
+      int i,j;
+      char r[]= new char[20]; 
+      for(i=0,j=z-1;i<z;i++,j--)
+         r[j]=x[i];
+      System.out.println("the string in rev form is");
+      for(i=0;i<z;i++)
+         System.out.print(r[i]);
+    }
+}
+        
+
+

Diff for: employ.class

@@ -0,0 +1,27 @@
+import java.util.*;
+class frequency
+{
+ public static void main(String args[])
+  {
+     System.out.println("enter the string");
+    Scanner obj = new Scanner(System.in);
+    String n = obj.nextLine();
+    int y = n.length();
+   y--;
+   int count = 0;
+   char x[] = n.toCharArray();
+  int i,flag=0;
+  System.out.println("enter the character to count the frequecy count");
+  char s = obj.next().charAt(0);
+  for(i=0;i<=y;i++)
+     if(x[i] == s)
+      { 
+        flag=1;
+        count = count+1;
+      }
+  if(flag==1)
+  System.out.println("the frequency of time the character repeat is "+count);
+   else 
+    System.out.println("entered the character to count the frequecy count is not in the string");
+  }
+}

Diff for: employ.java

@@ -0,0 +1,32 @@
+import java.util.*;
+class larnxn
+{
+  public static void main(String args[])
+  { 
+     
+     Scanner obj = new Scanner(System.in);
+     System.out.println("how many row");
+     int r = obj.nextInt();
+     System.out.println("how many coln");
+     int c = obj.nextInt();
+     int a[][] = new int[10][10];
+     System.out.println("enter the elements into the array");
+     for(int i=0;i<r;i++)
+      for(int j=0;j<c;j++)
+      a[i][j] = obj.nextInt();
+     
+     for(int i=0;i<r;i++)
+    {
+       System.out.println();  
+       for(int j=0;j<c;j++)
+       System.out.print(a[i][j]+" ");
+    }
+    int l=0;
+    for(int i=0;i<r;i++)
+      for(int j=0;j<c;j++)
+      if(a[i][i]>l)
+        l= a[i][j];
+
+     System.out.println("the largest element is "+l);
+  }
+}