Amazon Interview Question

Find the duplicate elements in an array (disscusin for bruit force methord then with shrorting and also using list) "Using a data structure make methords 1 - addValue(int value) - new duplicate element can be added 2 - removeValue(int value) 3 getRandem() - should return a randem number and this methorord can be only called if it has a number" Write a test plan for amazon pay feature Write test cases for amazon pay write test data for name, age, id Explain your framework in deatil Impliment the cross browser in your framework write the code