Tag: java programming interview questions
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How to find first and second biggest numbers in an array of integers
This is the first solution to find the first and second biggest numbers from the given array of integers, without using any built in methods.
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How to find reverse of a float value using StringBuffer class
This is the sixth solution to find the reverse of a float value using the StringBuffer (mutable) class.
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How to find reverse of a float value using StringBuilder class
This is the fifth solution to find the reverse of a float value using the StringBuilder (mutable) data type.
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How to find reverse of an integer value using the core logic
This is the fourth solution to find the reverse of an integer value, by using the core logic of forming the number in the reverse order.
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How to find reverse of an integer value using String class
This is the third solution to find the reverse of an integer value using String (immutable) class. This shows the core logic of storing the characters in reverse direction.
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How to find reverse of an integer value using StringBuffer class
This is the second solution to find the reverse of an integer value using the StringBuffer (mutable) class.
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How to find the reverse of an integer value using StringBuilder class
This is the first solution to find the reverse of an integer value using the StringBuilder (mutable) class type.
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How to find sum of digits in an alpha numeric value
This is the first solution to find the sum of digits from a given alpha numeric value by using String and Character class methods.
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How to find sum of digits in a given float value
This is the second solution to find the sum of digits from a given float value, by using the String and Character methods.
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How to find sum of digits in an integer value
This is the first solution to find the sum of digits from a given integer value using the core logic.
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