prowessapps.in Conditional Programs

 WAP to find the greatest among two numbers.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter X: ");
  int x = s.nextInt();
  System.out.print("Enter Y: ");
  int y = s.nextInt();
  if(x>y) {
   System.out.print("X is Greater");
  }
  else {
   System.out.print("Y is Greater");
  }
 }
}
OUTPUT :
Enter X: 15
Enter Y: 20
Y is Greater

 WAP to find greatest among three numbers.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter X: ");
  int x = s.nextInt();
  System.out.print("Enter Y: ");
  int y = s.nextInt();
  System.out.print("Enter Z: ");
  int z = s.nextInt();
  if(x>y && x>z) {
   System.out.print("X is Greater");
  }
  else if(y>z) {
   System.out.print("Y is Greater");
  }
  else {
   System.out.print("Z is Greater");
  }
 }
}
OUTPUT :
Enter X: 15
Enter Y: 18
Enter Z: 12
Y is Greater 

 WAP to find greatest among three numbers using nested if else.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter X: ");
  int x = s.nextInt();
  System.out.print("Enter Y: ");
  int y = s.nextInt();
  System.out.print("Enter Z: ");
  int z = s.nextInt();
  if(x>y) {
   if(x>z) {
    System.out.print("X is Greater");
   }
   else {
    System.out.print("Z is Greater");
   }
  }
  else {
   if(y>z) {
    System.out.print("Y is Greater");
   }
   else {
    System.out.print("Z is Greater");
   }
  }
 }
} 
OUTPUT :
Enter X: 10
Enter Y: 18
Enter Z: 14
Y is Greater 


 WAP to check a given number is even or odd.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter a Num.: ");
  int x = s.nextInt();
  if(x%2==0){
   System.out.print(x+" IS AN EVEN");
  }
  else {
   System.out.print(x+" IS AN ODD");
  }
 }
}  
OUTPUT :
Enter a Num.: 20
20 IS AN EVEN  

 WAP to check the alphabet is vowel or not.

import java.util.Scanner;
class Test {
 public static void main(String[] a) throws Exception
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter a Character: ");
  char x =(char)System.in.read();
  if(x=='a' ||x=='e' ||x=='i' ||x=='o' ||x=='u') {
   System.out.print("Character is vowel");
  }
  else if(x=='A' ||x=='E' ||x=='I'||x=='O' ||x=='U') {
   System.out.print("Character is vowel");
  }
  else {
   System.out.print("Character is NOT vowel");
  }
 }
}
OUTPUT :
Enter a Character: A
Character is vowel

 WAP to ask user to enter marks of 5 subjects and calculate the percentage then print GRADE according to marks in percentage.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter Marks1: ");
  int m1 = s.nextInt();
  System.out.print("Enter Marks2: ");
  int m2 = s.nextInt();
  System.out.print("Enter Marks3: ");
  int m3 = s.nextInt();
  System.out.print("Enter Marks4: ");
  int m4 = s.nextInt();
  System.out.print("Enter Marks5: ");
  int m5 = s.nextInt();
  double per =(m1+m2+m3+m4+m5)/5.0;
  System.out.println("Percentage = "+per);
  if(per>=80){
   System.out.print("Grade is A");
  }
  else if(per>=70) {
   System.out.print("Grade is B");
  }
  else if(per>=60) {
   System.out.print("Grade is C");
  }
  else if(per>=50) {
   System.out.print("Grade is D");
  }
  else {
  System.out.print("Grade is E");
  }
 }
}
OUTPUT :
Enter Marks1: 67
Enter Marks2: 78
Enter Marks3: 98
Enter Marks4: 67
Enter Marks5: 78
Percentage = 77.6
Grade is B 

 WAP to print DAY according to user input for day count.

import java.util.Scanner;
class Test {
 public static void main(String[] a)
 {
  Scanner s=new Scanner(System.in);
  System.out.print("Enter Day Number: ");
  int x = s.nextInt();
  switch(x) { 
   case 1:
    System.out.print("DAY IS MONDAY");
    break;
   case 2:
    System.out.print("DAY IS TUESDAY");
    break;
   case 3:
    System.out.print("DAY IS WEDNESDAY");
    break;
   case 4:
    System.out.print("DAY IS THURSDAY");
    break;
   case 5:
    System.out.print("DAY IS FRIDAY");
    break;
   case 6:
    System.out.print("DAY IS SATURDAY");
    break;
   case 7:
    System.out.print("DAY IS SUNDAY");
    break;
   default:
    System.out.print("Wrong Choice");
  }
 }
}
OUTPUT :
EEnter Day Number 4
DAY IS THURSDAY




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