Podcast Beta
Questions and Answers
Which sorting algorithm has an average time complexity of O(n log n)?
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What is the time complexity of a binary search algorithm?
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How is an interface different from an abstract class in Java?
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How is a Python 'dictionary' different from a 'set'?
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What is the purpose of the 'this' keyword in Java?
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If the selling price of an item is $1750, and the profit percentage is 25%, what is the original price of the item?
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If the population of a city is 500,000, and it increases by 10% each year, what will be the population after three years?
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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
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Look at this series: 58, 52, 46, 40, 34, ... What number should come next?
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Blueberries cost more than strawberries. Blueberries cost less than raspberries. Raspberries cost more than strawberries and blueberries. If the first two statements are true, the third statement is
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A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
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Find the output
String s1 = "Java";
String s2 = "Java";
StringBuilder sb1 = new StringBuilder();
sb1.append("Ja").append("va");
System.out.println(s1 == s2);
System.out.println(s1.equals(s2));
System.out.println(sb1.toString() == s1);
System.out.println(sb1.toString().equals(s1));
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Consider the following question to guess the answer:
public class Test {
public static void main(String args[]) {
int i=20+ +9- -12+ +4- -13+ +19;
System.out.println(i);
}
}
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Which one of these lists contains only Java programming language keywords?
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Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy?
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Find the output (Python)
a = 4.5
b = 2
print (a//b)
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What is an abstraction in object-oriented programming?
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In which access should a constructor be defined, so that object of the class can be created in any function?
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Which type of members can’t be accessed in derived classes of a base class?
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Instance of which type of class can’t be created?
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Which feature can be implemented using encapsulation?
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Which feature of OOP is indicated by the following code?
class student{ int marks; };
class topper:public student{ int age; topper(int age){ this.age=age; } };
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Identify the correct example for a pre-increment operator.
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Identify the logical AND operator.
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char p; p = (char) malloc(100);
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