COMP2100/COMP6442 Parsing Sid Chi [Lecture 10] – Kin Chau 1 Unstructured Data 2 Goals of This Lecture • Motivation • Learn how source codes are interpreted, compiled, and executed • Tokenization • Parsing • Context-free Grammars • Recursive Descent Parsing 3 Parsing Text Data • Modern data is often stored in text files • Input […]
package Lab3_Trees.task1; import java.util.Arrays; import java.util.List; import org.junit.Assert; import org.junit.Before; import org.junit.Test; /** * BinaryTreeTest – Test class for Binary Search Tree. * */ public class BinaryTreeTest { BinaryTree tree; @Before public void beforeEachTestMethod() { tree = new NonEmptyBinaryTree(7); tree = tree.insert(3) .insert(1) .insert(5) .insert(4) .insert(11) .insert(10) .insert(15); } @Test(timeout=1000) public void testInsert() { Assert.assertEquals(“7
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import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.util.Arrays; import org.junit.Test; /** * * @author nanwang * */ public class TokeniserTest { private void assertToken(String columns, String values) { String command = “INSERT INTO ” + Customer.TABLE_NAME + ” (” + columns + “) VALUES (” + values + “);”; Tokeniser tokeniser = new Tokeniser(command.toString()); Token
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COMP2100/COMP6442 Algorithms Part I Sid Chi [Lecture 5] – Kin Chau 1 Why are Algorithms Important? • Major functions of computers • Problem solving • Data processing • Computing, etc. • Programming is more than correctness • We have to write “efficient” code to solve problems with fast running time and small computational resources •
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import java.util.ArrayList; import java.util.List; /** * * @author nanwang * */ public class Student { private String name; private Integer age; private Integer height; private Integer weight; private List courses; public Student() { } public String getName() { return name; } public Student withName(String name) { this.name = name; return this; } public Integer getAge()
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import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.io.File; import java.util.Arrays; import java.util.List; import org.junit.Test; /** * * @author nanwang * * You are allowed to add additional `asserts` and test cases to testify your programs in all test cases. * */ public class StudentsTest { @Test public void testSave1() { Student student1 = new Student().withName(“Henry”).withAge(20).withHeight(176).withWeight(63)
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import java.io.File; import java.util.List; /** * * @author nanwang * The goal of this task is to write a program that loads/stores students of some college in JSON format. The `College.java` class has a college name and a list of `Student` instances. Each student has a student name and a list of courses. There are
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import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; import java.io.File; import org.junit.Test; /** * * @author nanwang * * You are allowed to add additional `asserts` and test cases to testify your programs in all test cases. * */ public class CollegeTest { private static final String JSON_FILE = “college.json”; private static final String PROCESSED_JSON_FILE = “college_processed.json”;
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package ListPrepQuestions_PastExams import java.util.Arrays; /** * This captures the state of the pointer and the trace of its movement. * IMPORTANT: This class is incomplete. Please look for “TODO” comments. * * @author huy.pham */ public class Screen { public static final String NON_VISITED_MARK = “#”; public static final String VISITED_MARK = “.”; public int
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