Top 97 logical coding Question | for Freshers for getting a job in MNC Company | by er prince kumar

            Top 97 logical coding Question  for Freshers 

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If you do this you will become good logical programmers

1. Write a Java program to perform input/output of all basic data types.
2. Write a Java program to enter two numbers and find their sum.
3. Write a Java program to enter two numbers and perform all arithmetic operations.
4. Write a Java program to enter the length and breadth of a rectangle and find its perimeter.
5. Write a Java program to enter the length and breadth of a rectangle and find its area.
6. Write a Java program to enter the radius of a circle and find its diameter, circumference, and area.
7. Write a Java program to enter the length in centimeter and convert it into meter and kilometer.
8. Write a Java program to enter the temperature in Celsius and convert it into Fahrenheit.
9. Write a Java program to enter the temperature in Fahrenheit and convert to Celsius
10. Write a Java program to convert days into years, weeks and days.
11. Write a Java program to find a power of any number x ^ y.
12. Write a Java program to enter any number and calculate its square root.
13. Write a Java program to enter two angles of a triangle and find the third angle.
14. Write a Java program to enter the base and height of a triangle and find its area.
15. Write a Java program to calculate the area of an equilateral triangle.
16. Write a Java program to enter marks of five subjects and calculate total, average, and percentage.
17. Write a Java program to enter P, T, R and calculate Simple Interest.
18. Write a Java program to enter P, T, R and calculate Compound Interest.
19. Write a Java program to check the Least Significant Bit (LSB) of a number is set or not.
20. Write a Java program to check Most Significant Bit (MSB) of a number is set or not.
21. Write a Java program to get an nth bit of a number.
22. Write a Java program to set an nth bit of a number.
23. Write a Java program to clear nth bit of a number.
24. Write a Java program to toggle nth bit of a number.
25. Write a Java program to get the highest set bit of a number.
26. Write a Java program to get the lowest set bit of a number.
27. Write a Java program to count trailing zeros in a binary number.
28. Write a Java program to count leading zeros in a binary number.
29. Write a Java program to flip bits of a binary number using a bitwise operator.
30. Write a Java program to count total zeros and ones in a binary number.
31. Write a Java program to rotate bits of a given number.
32. Write a Java program to convert decimal to binary number system using a bitwise operator.
33. Write a Java program to swap two numbers using a bitwise operator.
34. Write a Java program to check whether a number is even or odd using a bitwise operator.
35. Write a Java program to find the maximum between two numbers using a conditional operator.
36. Write a Java program to find a maximum between three numbers using a conditional operator.
37. Write a Java program to check whether a number is even or odd using a conditional operator.
38. Write a Java program to check whether the year is a leap year or not using a conditional operator.
39. Write a Java program to check whether the character is an alphabet or not using a conditional operator.
40. Write a Java program to find the maximum between two numbers.
41. Write a Java program to find maximum between three numbers.
42. Write a Java program to check whether a number is negative, positive or zero.
43. Write a Java program to check whether a number is divisible by 5 and 11 or not.
44. Write a Java program to check whether a number is even or odd.
45. Write a Java program to check whether a year is a leap year or not.
46. List of array and matrix programming exercises
47. Write a Java program to read and print elements of an array. - using recursion.
48. Write a Java program to print all negative elements in an array.
49. Write a Java program to find the sum of all array elements. - using recursion.
50. Write a Java program to find maximum and minimum elements in an array. - using recursion.
51. Write a Java program to find the second largest element in an array.
52. Write a Java program to count the total number of even and odd elements in an array.
53. Write a Java program to count the total number of negative elements in an array.
54. Write a Java program to copy all elements from an array to another array.
55. Write a Java program to insert an element in an array.
56. Write a Java program to delete an element from an array at a specified position.
57. Write a Java program to count the frequency of each element in an array.
58. Write a Java program to print all unique elements in the array.
59. Write a Java program to count a total number of duplicate elements in an array.
60. Write a Java program to delete all duplicate elements from an array.
61. Write a Java program to merge two arrays to the third array.
62. Write a Java program to find the reverse of an array.
63. Write a Java program to put even and odd elements of an array in two separate arrays.
64. Write a Java program to search an element in an array.
65. Write a Java program to sort array elements in ascending or descending order.
66. Write a Java program to sort even and odd elements of the array separately.
67. Write a Java program to the left rotate an array.
68. Write a Java program to the right rotates an array.
69. List of matrix programming exercises
70. Write a Java program to add two matrices.
71. Write a Java program to subtract two matrices.
72. Write a Java program to perform Scalar matrix multiplication.
73. Write a Java program to multiply two matrices.
74. Write a Java program to check whether two matrices are equal or not.
75. Write a Java program to find the sum of the main diagonal elements of a matrix.
76. Write a Java program to find the sum of minor diagonal elements of a matrix.
77. Write a Java program to find the sum of each row and column of a matrix.
78. Write a Java program to interchange diagonals of a matrix.
79. Write a Java program to find an upper triangular matrix.
80. Write a Java program to find a lower triangular matrix.
81. Write a Java program to find the sum of an upper triangular matrix.
82. Write a Java program to find the sum of a lower triangular matrix.
83. Write a Java program to find the transpose of a matrix.
84. Write a Java program to find the determinant of a matrix.
85. Write a Java program to check the Identity matrix.
86. Write a Java program to check the Sparse matrix.
87. Write a Java program to check the Symmetric matrix.
88. List of string programming exercises
89. Write a Java program to find the length of a string.
90. Write a Java program to copy one string to another string.
91. Write a Java program to concatenate two strings.
92. Write a Java program to compare two strings.
93. Write a Java program to convert lowercase string to uppercase.
94. Write a Java program to convert uppercase string to lowercase.
95. Write a Java program to toggle the case of each character of a string.
96.  Write a Java program to find the total number of alphabets, digits or special characters in a string.
97. Write a Java program to count the total number of vowels and consonants in a string.