Give a program which has a different result when interpreted using dynamic scoping from that using static scoping. (b) Give a program (using let to declare variables) which runs with no run-time type errors under dynamic typing but is invalid in a static typing regime such as that of Java or C. 

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I keep getting the error below in zbooks. How can I fix this. Thank You JAVA zyLabsUnitTest.java:14: error: cannot find symbols = Midterm Problems.difference(75, 75); ^ symbol: method difference(int,int) location: class MidtermProblems 1 error import java.lang.Math: public class Midterm Problems { public static String difference(int a, int b) { int diff = Math.abs(a - b): String ans = ""; if (diff == 0) { ans = "EQUAL"; } else if (diff >10) { ans = "Big Difference " + diff; } else if (diff I keep getting the error below in zbooks. How can I fix this. Thank You JAVA zyLabsUnitTest.java:14: error: cannot find symbols = Midterm Problems.difference(75, 75); ^ symbol: method difference(int,int) location: class MidtermProblems 1 error import java.lang.Math: public class Midterm Problems { public static String difference(int a, int b) { int diff = Math.abs(a - b): String ans = ""; if (diff == 0) { ans = "EQUAL"; } else if (diff >10) { ans = "Big Difference " + diff; } else if (diff