CS 461 Subroutines and Control Abstraction Exception Handling Yanling Wang Computer Science and Engineering Penn State University Carnegie Mellon 1 Outline ¢ This Lecture – Exception Handling ¢ This Lecture – Understanding Call Stack Carnegie Mellon 2 EXCEPTION HANDLING Carnegie Mellon 3 Exceptions So far, we assumed each function will run from start to its […]
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CS 461 Subroutines and Control Abstraction Activation Record and Tail Recursion Yanling Wang Computer Science and Engineering Penn State University Carnegie Mellon 1 Outline ¢ Last Lecture – Parameter Passing Mode § Call-By-Value-Result (Ada’s in out parameter) § Call-By-Sharing (Call-By-Value in Java/Python where value is a reference) § Call-By-Value/Sharing (C array’s value is a reference/pointer
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# Binary Search Trees and Traversals ### Objectives There are three objectives to this assignment. First, you will gain experience in implementing generic, nested data structures (in this case, a *binary search tree*). Second, you will gain some additional practice in implementing recursive methods as well as their iterative counterparts. Last but not least, you
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CS 461 Subroutines and Control Abstraction Parameter Passing Modes 2 Yanling Wang Computer Science and Engineering Penn State University Carnegie Mellon 1 This lecture – Parameter Passing ¢ Parameters vs. Arguments § Most subroutines are parameterized § Parameter names in function declaration – Formal Parameters § Variables and expressions that are passed to a subroutine
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CS 461 Subroutines and Control Abstraction Tail Recursion Exception Handling Yanling Wang Computer Science and Engineering Penn State University Carnegie Mellon 1 Outline ¢ This Lecture – Activation Record and Tail Recursion ¢ This Lecture – Exception Handling Carnegie Mellon 2 TAIL RECURSION Carnegie Mellon 3 Review of Storage Layout High address Carnegie Mellon Stack
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CS 461 Lambda Calculus 7: Functional Programming in Racket Yanling Wang Computer Science and Engineering Penn State University Carnegie Mellon 1 How to encode things in 𝝀-Calculus ¢ Booleans (lecture 18/19) § True, False § Boolean operations: and, or, … § if expression: if condition then-expr else-expr ¢ Natural Numbers (lecture 18/19) § Natural numbers
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package comp1110.exam; import org.junit.FixMethodOrder; import org.junit.Rule; Copyright By PowCoder代写 加微信 powcoder import org.junit.Test; import org.junit.rules.Timeout; import org.junit.runners.MethodSorters; import java.util.Random; import static org.junit.Assert.assertTrue; @FixMethodOrder(MethodSorters.NAME_ASCENDING) public class Q3ArrayListAddTest { public Timeout globalTimeout = Timeout.millis(500); public void testAddOneSize() { Q3ArrayList l = new Q3ArrayList(); l.add(“a”); int s = l.size(); assertTrue(“Incorrect size. Expected 1, but got “+s, s ==
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package comp1110.exam; import org.junit.FixMethodOrder; import org.junit.Rule; Copyright By PowCoder代写 加微信 powcoder import org.junit.Test; import org.junit.rules.Timeout; import org.junit.runners.MethodSorters; import java.util.Random; import static org.junit.Assert.assertTrue; @FixMethodOrder(MethodSorters.NAME_ASCENDING) public class Q1TourTest { public Timeout globalTimeout = Timeout.millis(4000); public void testEmpty() { Q1Tour board = new Q1Tour(“”); int r = board.tourVictims(“C6”); assertTrue(“Expected 0 for empty board but got “+r, r ==
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Introduction to JavaFX Structured Programming 1110/1140/6710 • Designedforrichclientapplications – Graphics, UI’s, video, audio, etc. Copyright By PowCoder代写 加微信 powcoder • Java APIs – Not to be confused with JavaFX 1.x, which is a scripting language, not a Java API – Java 8-10, integrated with JDK – Java 11-15, JavaFX is separate, and must be installed
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package comp1110.exam; import java.io.File; import java.io.FileNotFoundException; Copyright By PowCoder代写 加微信 powcoder import java.util.ArrayList; import java.util.List; import java.util.Random; import java.util.Scanner; * COMP1110 Final Exam, Question 1.3 (harder) public class Q1Word { * This question is about a word finding puzzle. * You will be given a square grid of upper case characters (‘A’ to ‘Z’), *
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