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public class Quiz {public static void main(String[] args) {String s = null; if (

public class Quiz {public static void main(String[] args) {String s = null; if (s.length() >0) {System.out.println(s);} else {System.out.println("empty string");}}} Which of th…

public class Rational { private int num; private int den; public Rational ( ) {

public class Rational { private int num; private int den; public Rational ( ) { num = 0; den = 1; } public Rational (int a, int b) { num = a; den = b; simplify ( ); } private void…

public class Rectangle extends GraphObj{ float height; float width; public Recta

public class Rectangle extends GraphObj{ float height; float width;    public Rectangle(float w, float h){ System.out.println("Rectangle::Rectangle()"); height = h; width = w; }  …

public class Rectangle extends Shape { private Point lowerLeft, upperRight; Rect

public class Rectangle extends Shape {    private Point lowerLeft, upperRight;    Rectangle(Point lowerLeft, Point upperRight) {       this.lowerLeft = lowerLeft;       this.upper…

public class Rectangle { private double len; private double wid; private double

public class Rectangle { private double len; private double wid; private double x; private double y;    public Rectangle() { len = 1; wid = 1; x = 0; y = 0; } public Rectangle(dou…

public class Recurrences { //Implements the basic laws of positive exponents ove

public class Recurrences { //Implements the basic laws of positive exponents over the integers. Note: for this implementation, anything to the 0- power is 1. For example: 0^0 = 1.…

public class Recursion { public static void print(int[] array) { for(int i = 0;

public class Recursion { public static void print(int[] array) { for(int i = 0; i < array.length-1; i++) { System.out.print(array[i]+ "," ); } System.out.print(array[array.leng…

public class ReduceTheCode { //Each method must perform the same action as it cu

public class ReduceTheCode { //Each method must perform the same action as it currently does //You are free to change the way in which it does it //You can delete these comments a…

public class Reptile extends Animal { private String type; private String gender

public class Reptile extends Animal {    private String type;    private String gender;    public String Reptile(String name, int age, String description, String gender, String ty…

public class ReverseStack { private int max; private String[] stArr; private int

public class ReverseStack {    private int max;    private String[] stArr;    private int t;    public Capitalization (int n) { max = n; stArr = new String[max]; t = -1;    } /***…

public class Reverser { // Demonstrate a method that returns an array public sta

public class Reverser { // Demonstrate a method that returns an array public static int[] reverse(int[] a) { int[] newArray = new int[a.length]; for (int i = 0; i < a.length; i…

public class Robot { public Robot() { System.out.println(\"Tom Servo\"); } publi

public class Robot { public Robot() { System.out.println("Tom Servo"); } public Robot(String name) { System.out.println(name);  } } public class Cyborg extends Robot { public Cybo…

public class Runner extends Athlete{ public Runner (String firstName, String las

public class Runner extends Athlete{ public Runner (String firstName, String lastName)( Super (firstName, lastNAme, "Running"); my Number ofRaces myMilesRaced 0; public void race …

public class SLList { private static class Node { private E data; private

public class SLList<E> { private static class Node<E> { private E data; private Node<E> next; public Node(E data, Node<E> next) { this.data = data; this.ne…

public class SUnit 1)public static int testsRun() Returns the total number of te

public class SUnit 1)public static int testsRun() Returns the total number of tests run. 2)public static int testsFailed() Returns the number of tests that have failed 3)public st…

public class SavingAccount { private double annualInterestRate, balance, accumul

public class SavingAccount {   private double annualInterestRate, balance, accumulativeInterest,           accumulativeDeposits = 0, accumulativeWithdrawals = 0;   public SavingAc…

public class SecondsCalcextends JFrame { private JPanel panel; // To reference a

public class SecondsCalcextends JFrame { private JPanel panel;   // To reference apanel private JLabel messageLabel1; // To reference a labelfor days private JLabel messageLabel2;…

public class Secret { private int x; private static int y; public static int cou

public class Secret {     private int x;     private static int y;     public static int count;     public int z;            public Secret()     {         x = 0;         z = 1;   …

public class Secret { private int x; private static int y; public static int cou

public class Secret {     private int x;     private static int y;     public static int count;     public int z;            public Secret()     {         x = 0;         z = 1;   …

public class SelectionSorter { //Returns the index of the largest element in the

public class SelectionSorter { //Returns the index of the largest element in the arrayOfIntegers, beginning from the fromIndex. public static Integer[] selectSort(Integer[] incomi…

public class Shed{ private String owner; private int size; public Shed(String wh

public class Shed{ private String owner; private int size; public Shed(String who, int area){ owner = who; size = area; } public String getOwner(){return owner;} public int getSiz…

public class Sierpinski { // Height of an equilateral triangle whose sides are o

public class Sierpinski { // Height of an equilateral triangle whose sides are of the specified length. public static double height(double length) { double height = length * Math.…

public class SimpleClass { private int id; private String name; public SimpleCla

public class SimpleClass { private int id; private String name; public SimpleClass() { name = “”; id = 0; } public void setName(String name) { this.name = name; } } THE FOLLOWING …

public class SimpleStats { public static void main(String[] args) { StatCalc cal

public class SimpleStats {    public static void main(String[] args) { StatCalc calc; calc = new StatCalc(); double item;    System.out.println("Enter your numbers:"); System.out.…

public class SortArray { //Declaring instance variables private String s; //Decl

public class SortArray { //Declaring instance variables private String s; //Declaring static variable public static int[] sA; //Zero argumented constructor public SortArray() { } …

public class Sorting2 { public static void main(String[] args) { final int array

public class Sorting2 { public static void main(String[] args) { final int arrayAmount = 10; final int randomMax = 100; // create array int[] array = new int[10]; Random generator…

public class SortingProgram { public static void main(String[] args) { //Array U

public class SortingProgram { public static void main(String[] args) { //Array Used in Bubble sort: eArray //Array Used in Selection sort: sArray //Array Used in Insertion sort: i…

public class Square { public Point( float x, float y ); public float getX(); pub

public class Square {    public Point( float x, float y );    public float getX();    public float getY();    public float distanceTo( Point p );  // returns the distance         …

public class Stack { public int size; public int top; public int[] array; public

public class Stack { public int size; public int top; public int[] array; public Stack () { size = 0; top = -1; array = null; } public Stack (int _size) { size = _size; top = -1; …

public class StackProgram { public static void main(String[]args) { StackClass i

public class StackProgram { public static void main(String[]args) { StackClass inStack = new StackClass(50); StackClass tempStack = new StackClass(); try { intStack.push(new IntEl…

public class StackProgram { public static void main(String[]args) { StackClass i

public class StackProgram { public static void main(String[]args) { StackClass inStack = new StackClass(50); StackClass tempStack = new StackClass(); try { intStack.push(new IntEl…

public class Starfield extends JFrame implements KeyListener, Runnable { private

public class Starfield extends JFrame implements KeyListener, Runnable { private static String applicationPath; private BufferStrategy strategy; private int windowWidth, windowHei…

public class StateData implements Comparable { private String postalCode; privat

public class StateData implements Comparable { private String postalCode; private int population; private int electoralVotes; /** * Creates a new instance of StateData with the sp…

public class StringBag { // the array to hold the data private String [] bag; //

public class StringBag {    // the array to hold the data    private String [] bag;       // the number of elements being held (also the next index where a new    // String can be…

public class StringBag { // the array to hold the data private String [] bag; //

public class StringBag {    // the array to hold the data    private String [] bag;       // the number of elements being held (also the next index where a new    // String can be…

public class StringList {//an array that maintains a list of String objects//the

public class StringList {//an array that maintains a list of String objects//the default initial size of the array is 10 private String[] strings;//the number of valid String obje…

public class StringMethodsPracSol f /* returns the index of the first Roman Nume

public class StringMethodsPracSol f /* returns the index of the first Roman Numeral in c or -1 *if c contains no Roman Numerals public static int indexOfFirstRomanNumeral(String s…

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode { private char ch; private StringNode next; /** * Constructor */ public StringNode(char c, StringNode n) { ch = c; next = n; } /** * convert - converts a s…

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode { private char ch; private StringNode next; /** * Constructor */ public StringNode(char c, StringNode n) { ch = c; next = n; } public static int lastIndexO…

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode { private char ch; private StringNode next; /** * Constructor */ public StringNode(char c, StringNode n) { ch = c; next = n; } /** * convert - converts a s…

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode { private char ch; private StringNode next; /** * Constructor */ public StringNode(char c, StringNode n) { ch = c; next = n; } /** public static char large…

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode {     private char ch;     private StringNode next;     /**      * Constructor      */     public StringNode(char c, StringNode n) {         ch = c;       …

public class StringNode { private char ch; private StringNode next; /** * Constr

public class StringNode { private char ch; private StringNode next; /** * Constructor */ public StringNode(char c, StringNode n) { ch = c; next = n; } /** * concat recursive metho…

public class StringNode { private char ch; private StringNode next; public Strin

public class StringNode { private char ch; private StringNode next; public StringNode ( char c, StringNode n) { ch = c; next = n; } Write int indexof( StringNode str, char ch) met…

public class Student implements comparable private String name private double gp

public class Student implements comparable private String name private double gpa-0 private int units- 0 publie Student (String name) tis. nane name ; public Student (String name,…

public class Student private Student next; private String name, id; public Stude

public class Student private Student next; private String name, id; public Student (String n, String i) name n: next-null: public void setNext (Student s) next = 3 ; | public Stud…

public class Student { String name; Student(String n) { name=n; } @Override publ

public class Student {    String name;       Student(String n)    {        name=n;    }       @Override public String toString() { return String.format("Name is "+name); }        …

public class Student { private String lastName; private double gpa; public Stude

public class Student { private String lastName; private double gpa; public Student(String lName, double gpa) { this.gpa = gpa; lastName = lName; } public Student(Student other) { …

public class Student { private String name; private String year; private double

public class Student { private String name; private String year; private double gpa; // 1) Make a HashMap called history that maps String (course name) to Character (grade attaine…

public class Student { private int cin; private double gpa; public Student(int c

public class Student { private int cin; private double gpa; public Student(int cin, double gpa) { super(); this.cin = cin; this.gpa = gpa; } public String toString(){ return "Stud…