Practice 70 Java Conditional Statements Programming Questions, TechnoVlogs

Practice 70 Java Conditional Statements Programming Questions


Q1. Write a Java program to check if a number is positive, negative, or zero.
  Input:  
  Enter a number: -5

  Expected Output:     
  The number is negative.

Q2. Write a Java program to check if a year is a leap year or not.
  Input:  
  Enter a year: 2024

  Expected Output:     
  2024 is a leap year.

Q3. Write a Java program to find the largest of three numbers.
  Input:  
  Enter three numbers: 10 20 30

  Expected Output:     
  The largest number is: 30

Q4. Write a Java program to check if a number is even or odd.
  Input:  
  Enter a number: 7

  Expected Output:     
  The number is odd.

Q5. Write a Java program to find the grade of a student based on marks.
  Input:  
  Enter marks: 85

  Expected Output:     
  Grade: A

Q6. Write a Java program to check if a character is an uppercase letter or not.
  Input:  
  Enter a character: G

  Expected Output:     
  G is an uppercase letter.

Q7. Write a Java program to check if a character is a vowel or consonant.
  Input:  
  Enter a character: e

  Expected Output:     
  e is a vowel.

Q8. Write a Java program to check if a number is divisible by 3 and 5.
  Input:  
  Enter a number: 15

  Expected Output:     
  The number is divisible by 3 and 5.

Q9. Write a Java program to check if a number is divisible by 7 but not by 5.
  Input:  
  Enter a number: 14

  Expected Output:     
  The number is divisible by 7 but not by 5.

Q10. Write a Java program to find the second largest of three numbers.
  Input:  
  Enter three numbers: 10 20 30

  Expected Output:     
  The second largest number is: 20

Q11. Write a Java program to check if a number is prime or not.
  Input:  
  Enter a number: 29

  Expected Output:     
  29 is a prime number.

Q12. Write a Java program to check if a number is a perfect number.
  Input:  
  Enter a number: 6

  Expected Output:     
  6 is a perfect number.

Q13. Write a Java program to check if a number is an Armstrong number.
  Input:  
  Enter a number: 153

  Expected Output:     
  153 is an Armstrong number.

Q14. Write a Java program to print all even numbers between 1 to 100.
  Expected Output:  
  2 4 6 8 10 12 14 16 18 ... 100

Q15. Write a Java program to check if a number is a palindrome.
  Input:  
  Enter a number: 121

  Expected Output:     
  121 is a palindrome number.

Q16. Write a Java program to print the day of the week based on the number.
  Input:  
  Enter a number (1-7): 3

  Expected Output:     
  Wednesday

Q17. Write a Java program to check if a character is a digit.
  Input:  
  Enter a character: 5

  Expected Output:     
  5 is a digit.

Q18. Write a Java program to check if a character is an alphabet.
  Input:  
  Enter a character: A

  Expected Output:     
  A is an alphabet.

Q19. Write a Java program to check if a number is a two-digit number.
  Input:  
  Enter a number: 45

  Expected Output:     
  45 is a two-digit number.

Q20. Write a Java program to check if a number is positive, negative, or zero using switch.
  Input:  
  Enter a number: 0

  Expected Output:     
  The number is zero.

Q21. Write a Java program to check if a number is odd or even using switch.
  Input:  
  Enter a number: 14

  Expected Output:     
  The number is even.

Q22. Write a Java program to display the month name based on the number using switch statement.
  Input:  
  Enter month number: 4

  Expected Output:     
  April

Q23. Write a Java program to display the day of the week using switch statement.
  Input:  
  Enter day number: 5

  Expected Output:     
  Friday

Q24. Write a Java program to check if a number is divisible by 3 or 5 using switch.
  Input:  
  Enter a number: 15

  Expected Output:     
  The number is divisible by 3 or 5.

Q25. Write a Java program to check if a number is positive or negative using switch.
  Input:  
  Enter a number: -9

  Expected Output:     
  The number is negative.

Q26. Write a Java program to display the name of a month based on the number using if-else statement.
  Input:  
  Enter month number: 7

  Expected Output:     
  July

Q27. Write a Java program to check if a number is within a specific range using if-else statement.
  Input:  
  Enter a number: 25

  Expected Output:     
  The number is within the range 20-30.

Q28. Write a Java program to find the smallest of three numbers using if-else statement.
  Input:  
  Enter three numbers: 10 20 5

  Expected Output:     
  The smallest number is: 5

Q29. Write a Java program to check if a number is divisible by 4 and 5 using if-else statement.
  Input:  
  Enter a number: 20

  Expected Output:     
  The number is divisible by 4 and 5.

Q30. Write a Java program to check if a year is a leap year using if-else statement.
  Input:  
  Enter a year: 2020

  Expected Output:     
  2020 is a leap year.

Q31. Write a Java program to find the absolute value of a number using if-else statement.
  Input:  
  Enter a number: -10

  Expected Output:     
  The absolute value is: 10

Q32. Write a Java program to check if a number is even or odd using if-else statement.
  Input:  
  Enter a number: 8

  Expected Output:     
  The number is even.

Q33. Write a Java program to find the largest of two numbers using if-else statement.
  Input:  
  Enter two numbers: 7 12

  Expected Output:     
  The largest number is: 12

Q34. Write a Java program to check if a character is a vowel or consonant using if-else statement.
  Input:  
  Enter a character: i

  Expected Output:     
  i is a vowel.

Q35. Write a Java program to check if a number is divisible by 3 using if-else statement.
  Input:  
  Enter a number: 9

  Expected Output:     
  The number is divisible by 3.

Q36. Write a Java program to check if a number is divisible by 2 but not by 4 using if-else statement.
  Input:  
  Enter a number: 6

  Expected Output:     
  The number is divisible by 2 but not by 4.

Q37. Write a Java program to find the area of a triangle based on three sides using if-else statement.
  Input:  
  Enter the three sides: 3 4 5

  Expected Output:     
  The area of the triangle is: 6.0

Q38. Write a Java program to check if a number is an Armstrong number using if-else statement.
  Input:  
  Enter a number: 370

  Expected Output:     
  370 is an Armstrong number.

Q39. Write a Java program to check if a number is a palindrome using if-else statement.
  Input:  
  Enter a number: 121

  Expected Output:     
  121 is a palindrome.

Q40. Write a Java program to calculate the total price after applying discount using if-else statement.
  Input:  
  Enter price: 500
  Enter discount: 10

  Expected Output:     
  The total price after discount is: 450

Q41. Write a Java program to check if a number is prime using if-else statement.
  Input:  
  Enter a number: 11

  Expected Output:     
  11 is a prime number.

Q42. Write a Java program to check if a number is perfect square using if-else statement.
  Input:  
  Enter a number: 25

  Expected Output:     
  25 is a perfect square.

Q43. Write a Java program to check if a number is divisible by both 2 and 3 using if-else statement.
  Input:  
  Enter a number: 6

  Expected Output:     
  The number is divisible by both 2 and 3.

Q44. Write a Java program to find the smallest of three numbers using if-else statement.
  Input:  
  Enter three numbers: 5 2 9

  Expected Output:     
  The smallest number is: 2

Q45. Write a Java program to calculate the absolute difference between two numbers using if-else statement.
  Input:  
  Enter two numbers: 8 15

  Expected Output:     
  The absolute difference is: 7

Q46. Write a Java program to check if a number is divisible by both 4 and 5 using if-else statement.
  Input:  
  Enter a number: 20

  Expected Output:     
  The number is divisible by both 4 and 5.

Q47. Write a Java program to check if a number is positive, negative, or zero using if-else statement.
  Input:  
  Enter a number: 0

  Expected Output:     
  The number is zero.

Q48. Write a Java program to check if a number is even or odd using switch statement.
  Input:  
  Enter a number: 7

  Expected Output:  
  The number is odd.

Q49. Write a Java program to print the name of the day based on the number using switch statement.
  Input:  
  Enter day number: 6

  Expected Output:     
  Saturday

Q50. Write a Java program to check if a number is divisible by 5 or 10 using switch statement.
  Input:  
  Enter a number: 50

  Expected Output:     
  The number is divisible by 5 or 10.

Q51. Write a Java program to find the largest of two numbers using if-else statement.
  Input:  
  Enter two numbers: 12 7

  Expected Output:     
  The largest number is: 12

Q52. Write a Java program to check if a number is divisible by 3 using switch statement.
  Input:  
  Enter a number: 9

  Expected Output:     
  The number is divisible by 3.

Q53. Write a Java program to check if a number is divisible by both 3 and 7 using switch statement.
  Input:  
  Enter a number: 21

  Expected Output:     
  The number is divisible by both 3 and 7.

Q54. Write a Java program to check if a number is divisible by 6 but not by 3 using switch statement.
  Input:  
  Enter a number: 18

  Expected Output:     
  The number is divisible by 6 but not by 3.

Q55. Write a Java program to display the name of the month using switch statement.
  Input:  
  Enter month number: 2

  Expected Output:     
  February

Q56. Write a Java program to check if a number is positive, negative, or zero using if-else statement.
  Input:  
  Enter a number: -5

  Expected Output:     
  The number is negative.

Q57. Write a Java program to check if a character is a vowel using if-else statement.
  Input:  
  Enter a character: o

  Expected Output:     
  o is a vowel.

Q58. Write a Java program to find the second largest of three numbers using if-else statement.
  Input:  
  Enter three numbers: 7 10 15

  Expected Output:     
  The second largest number is: 10

Q59. Write a Java program to check if a character is a letter using if-else statement.
  Input:  
  Enter a character: z

  Expected Output:     
  z is a letter.

Q60. Write a Java program to check if a character is a number using if-else statement.
  Input:  
  Enter a character: 4

  Expected Output:     
  4 is a number.

Q61. Write a Java program to check if a number is divisible by 4 using if-else statement.
  Input:  
  Enter a number: 16

  Expected Output:     
  The number is divisible by 4.

Q62. Write a Java program to check if a character is lowercase or uppercase using if-else statement.
  Input:  
  Enter a character: m

  Expected Output:     
  m is a lowercase letter.

Q63. Write a Java program to find the largest of three numbers using if-else statement.
  Input:  
  Enter three numbers: 30 40 25

  Expected Output:     
  The largest number is: 40

Q64. Write a Java program to check if a number is divisible by both 3 and 5 using if-else statement.
  Input:  
  Enter a number: 15

  Expected Output:     
  The number is divisible by both 3 and 5.

Q65. Write a Java program to find the square of a number using if-else statement.
  Input:  
  Enter a number: 4

  Expected Output:     
  The square of the number is: 16

Q66. Write a Java program to check if a number is divisible by 7 using if-else statement.
  Input:  
  Enter a number: 28

  Expected Output:     
  The number is divisible by 7.

Q67. Write a Java program to check if a number is divisible by 9 but not by 5 using if-else statement.
  Input:  
  Enter a number: 18

  Expected Output:     
  The number is divisible by 9 but not by 5.

Q68. Write a Java program to check if a number is divisible by 2 or 3 using if-else statement.
  Input:  
  Enter a number: 6

  Expected Output:     
  The number is divisible by 2 or 3.

Q69. Write a Java program to find the absolute difference between two numbers using switch statement.
  Input:  
  Enter two numbers: 15 10

  Expected Output:     
  The absolute difference is: 5

Q70. Write a Java program to check if a number is divisible by 5 using switch statement.
  Input:  
  Enter a number: 25

  Expected Output:     
  The number is divisible by 5.

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