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Computer Computer Fundamental Miscellaneous Difficulty: Medium

How do you implement a stack using a linked list? Operating System is the most common type of _________ software. Given the code. What will be the result? public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); } } What will be the value of y after execution of switch statement? public class Test{ public static void main(String[] args){ int x = 3, y = 4; switch(x + 3){ case 6: y = 0; case 7: y = 1; default: y += 1; } } } What will be the output of the following Python code? x = 123 for i in x: print(i)