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Ascii.java

@@ -0,0 +1,16 @@
+package Java;
+import java.util.*;
+public class Ascii {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        char ch = s.charAt(0);
+        for (int i = 0; i < s.length(); i++) {
+            if(ch>s.charAt(i))
+            {
+                ch = s.charAt(i);
+            }
+        }
+        System.out.println(ch);
+    }
+}

CharRepeat.java

@@ -0,0 +1,38 @@
+// aabbbcc = a2b3c1
+// abbccc = a1b2c3
+import java.util.*;
+public class CharRepeat {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        int count=1;
+        for (int i = 0; i < s.length(); i++) 
+        {
+           if(i!=0 && s.charAt(i-1)==s.charAt(i) && i!=(s.length()-1))
+           {
+                count++;
+           }
+           else if(i==(s.length()-1))
+           {
+                if(s.charAt(i-1)!=(s.charAt(i)))
+                {
+                    System.out.print(s.charAt(i-1)+""+count);
+                    count =1;
+                    System.out.print(s.charAt(i)+""+count);
+                }
+                else
+                {
+                    count++;
+                    System.out.print(s.charAt(i)+""+count);
+                }
+           }
+           else if(i!=0 && s.charAt(i-1)!=(s.charAt(i)) && i!=(s.length()-1))
+           {
+                System.out.print(s.charAt(i-1)+""+count);
+                count = 1;
+           }
+        }
+        System.out.println();
+
+    }
+}

CountRepeatedLetter.java

@@ -0,0 +1,12 @@
+package Java;
+import java.util.*;
+public class CountRepeatedLetter 
+{
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String str = sc.nextLine();
+        String ch = sc.nextLine();
+        String s = str.replace(ch,"");
+        System.out.println(s);
+    }
+}

CountVowel.java

@@ -0,0 +1,34 @@
+package Java;
+import java.util.*;
+
+public class CountVowel {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        int v =0;
+        int c=0;
+        int num=0;
+        for(int i=0; i<s.length(); i++)
+        {
+            if(Character.isLetter(s.charAt(i)))
+            {
+                if(s.charAt(i)=='A'||s.charAt(i)=='a'||s.charAt(i)=='E'||s.charAt(i)=='e'||s.charAt(i)=='I'||s.charAt(i)=='i'||s.charAt(i)=='O'||s.charAt(i)=='o'||s.charAt(i)=='U'||s.charAt(i)=='u')
+                {
+                    v++;
+                }
+                else
+                {
+                    c++;
+                }
+            }
+            else if(Character.isDigit(s.charAt(i)))
+            {
+                num++;
+            }
+        }
+        System.out.println("Vowel : "+v);
+        System.out.println("Consonant : "+c);
+        System.out.println("Number : "+num);
+    }
+
+}

DocsWithOddPagesByAssId.java

@@ -0,0 +1,116 @@
+package Java;
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.math.*;
+import java.util.regex.*;
+
+public class DocsWithOddPagesByAssId {
+    public static void main(String args[] ) throws Exception {
+        /* Enter your code here. Read input from STDIN. Print output to STDOUT */
+        Scanner sc = new Scanner(System.in);
+        Document[] doc = new Document[4];
+        for(int i =0; i<4; i++)
+        {
+            int a = sc.nextInt();sc.nextLine();
+            String b = sc.nextLine();
+            String c = sc.nextLine();
+            int d = sc.nextInt();
+
+            doc[i] = new Document(a,b,c,d);
+        }
+        Document[] d = docWithOddPages(doc);
+        if(d==null)
+        {
+            System.out.println("All pages are even");
+        }
+        else
+        {
+            for(int  i =0; i<d.length; i++)
+            {
+                System.out.println(d[i].getId()+" "+d[i].getTitle()+" "+d[i].getFolderName()+" "+d[i].getPages());
+            }
+        }
+
+    }
+    public static Document[] docWithOddPages(Document[] d)
+    {
+        Document[] st = new Document[0];
+        for(int i=0; i<d.length; i++)
+        {
+            if(d[i].pages%2!=0)
+            {
+                st = Arrays.copyOf(st,st.length+1);
+                st[st.length-1]=d[i];
+            }
+        }
+        for(int i =0; i<st.length; i++)
+        {
+            for(int j=i+1; j<st.length; j++)
+            {
+                if(st[i].getId()>st[j].getId())
+                {
+                    Document k=st[i];
+                    st[i]=st[j];
+                    st[j]=k;
+                }
+            }
+        }
+        if(st.length>0)
+        {
+            return st;
+        }
+        else
+        {
+            return null;
+        }
+    }
+}
+class Document
+{
+    int id; 
+    String title; 
+    String folderName; 
+    int pages;
+
+    public Document(int id, String title, String folderName, int pages)
+    {
+        this.id = id;
+        this.title = title;
+        this.folderName = folderName;
+        this.pages = pages;
+    }
+
+    public int getId()
+    {
+        return id;
+    }
+    public void setId(int id)
+    {
+        this.id = id;
+    }
+    public String getTitle()
+    {
+        return title;
+    }
+    public void setTitle(String title)
+    {
+        this.title = title;
+    }
+    public String getFolderName()
+    {
+        return folderName;
+    }
+    public void setFolderName(String folderName)
+    {
+        this.folderName = folderName;
+    }
+    public int getPages()
+    {
+        return pages;
+    }
+    public void setPages(int pages)
+    {
+        this.pages = pages;
+    }
+}

IBM1.java

@@ -0,0 +1,75 @@
+import java.util.*;
+
+public class IBM1 {
+    public static void main(String[]args)
+    {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Enter number of rows : ");
+        int row = sc.nextInt();
+        System.out.println("Enter number of columns : ");
+        int col = sc.nextInt();
+        int[][] arr = new int[row][col];
+        for(int i =0 ; i<row; i++)
+        {
+            for(int j=0; j<col; j++)
+            {
+                arr[i][j]=sc.nextInt();
+            }
+        }
+        int p = Math.max(row,col);
+        int[] dia1 = new int[p];
+        int[] dia2 = new int[p];
+        int[] dia = new int[p+p];
+        for(int i = 0; i<row; i++)
+        {
+            for(int j=0; j<col; j++)
+            {
+                if(i==j)
+                {
+                    dia1[i]=arr[i][j];
+                }
+            }
+        }
+        for(int i = row-1; i>-1; i++)
+        {
+            for(int j=0; j<col; j++)
+            {
+                if(i==j)
+                {
+                    dia2[i]=arr[i][j];
+                }
+            }
+        }
+        int count = 0, loop, num2=0;
+        int num;
+        for(int i=0; i<p; i++)
+        {
+            dia[i]=dia1[i];
+            count++;
+        }
+        for(int i=0; i<p; i++)
+        {
+            dia[count++]=dia2[i];
+        }
+        for(int k = 0; k<(p+p); k++)
+        {
+            loop=0;
+            for(int i=2; i<dia[k]; i++)
+            {
+                if(dia[k]%i==0)
+                {
+                    loop++;
+                }
+            }
+            if(loop==0)
+            {
+                num = dia[k];
+            }
+            if( num > num2)
+            {
+                num2 = num;
+            }
+        }
+        System.out.println("Max Prime : "+num);
+    }
+}

IPA1.java

@@ -0,0 +1,27 @@
+package Java;
+import java.util.*;
+public class IPA1 {
+    public static void main(String[]args)
+    {
+        int count=0;
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        while(n>0)
+        {
+            int rem = n%10;
+            if(rem%2==0)
+            {
+                count++;
+            }
+            n = n/10;
+        }
+        if(count>=3)
+        {
+            System.out.println("True");
+        }
+        else
+        {
+            System.out.print("False");
+        }
+    }  
+}

IPA2 (2).java

@@ -0,0 +1,19 @@
+import java.util.*;
+public class IPA2 {
+    public static void main(String[]args)
+    {
+        int count = 0;
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        char[] arr;
+        arr = s.toCharArray();
+        for(int i=0; i<arr.length;i++)
+        {
+            if(Character.isLowerCase(arr[i]))
+            {
+                count++;
+            }
+        }
+        System.out.println(count);
+    }
+}

IPA2.java

@@ -0,0 +1,20 @@
+package Java;
+import java.util.*;
+public class IPA2 {
+    public static void main(String[]args)
+    {
+        int count=0;
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        char[] arr;
+        arr = s.toCharArray();
+        for(int i=0;i<arr.length;i++)
+        {
+            if(Character.isLowerCase(arr[i]))
+            {
+                count++;
+            }
+        }
+        System.out.print(count);
+    }
+}