Question: 4. Show the parse tree of the following Java program: import java.util.Scanner; class Ex { public static void main(String[] args){ Scanner keyboard = new Scanner(System.in);

4. Show the parse tree of the following Java program:

import java.util.Scanner; class Ex { public static void main(String[] args){ Scanner keyboard = new Scanner(System.in); System.out.println("enter a number"); double x = keyboard.nextDouble(); System.out.println("x^2+2x+1 = " + x*x+2*x+1); } }

4. Show the parse tree of the following Java program: import java.util.Scanner;

Show the parse tree of the following Java program: import java.util.Scanner; class Ex ( public static void main(String args) Scanner keyboard - new Scanner (System.in); System.out.println("enter a number"); double xkeyboard.nextDouble(); System . out.println("X"2+2x+1 = " + x"X+2+1)

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