Techuz InfoWeb interview questions

Introduce yourself what is class? what is object? what are access modifiers? What is polymorphism, interface, inheritance, encapsulation? What is difference between private and protected? What is static? How static is used in class? How to use interface? How to inherit another class? Which features and member can i use in child class? Is there any limit? What is constructor, destructor? What if I call child constructor, will the parent class constructor gets called? What is function overloading and overriding? What is exception? Loops? How to define infinite loop? Syntax of for loop? Switch case ? if else? When to use if else and switch case importance of each? What are cookies? Cache? What is database transaction? Normalization? Query? How to retrieve last 10 records? How to delete records of only one column? What is view? Write a query to update only one record Q. 2 + 2 = 8 3 + 3 = 18 6 + 6 = 72 10 +10 = ? Q. 11+22 = 23, 22 + 33 = 65, 33+44 = 127, 55+66=? Q. 7,11,13,17,19,23,29,31,37,? Q. there are total 8 balls of same color same size , but one of them is heavier than other all 7, you have a balance machine but have only two chance or only two time you can use machine for finding that ,the which one is heavier ? So which programming language are you familiar with ? Python! Find output ? X = 1 1. for i in range(0): Print(X) 2. x =1 while(true): if x%0o7 == 0: break print(x) x+=1 3. d = {0:’a’,1:’b’,2:’c’} for i in d: print(i) 4.

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