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lab21-32
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‎students/23K0688/23K0688-p21/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>23K0688</artifactId>
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<groupId>ru.mirea.practice</groupId>
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<version>2024.1</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>23K0688-p21</artifactId>
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<description>21 задание</description>
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</project>

‎students/23K0688/23K0688-p21/src/main/java/ru/mirea/practice/s0000001/task1/Converter.java

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package ru.mirea.practice.s0000001.task1;
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import java.util.ArrayList;
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import java.util.List;
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public class Converter {
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public List<String> starrtolist(String[] starr) {
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List<String> list = new ArrayList<>();
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for (String st : starr) {
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list.add(st);
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}
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return list;
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}
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public List<Integer> intarrtolist(int[] array) {
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List<Integer> list = new ArrayList<>();
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for (int num : array) {
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list.add(num);
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}
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return list;
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}
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}

‎students/23K0688/23K0688-p21/src/main/java/ru/mirea/practice/s0000001/task1/Test.java

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package ru.mirea.practice.s0000001.task1;
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public abstract class Test {
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public static void main(String[] args) {
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String[] starr = {"ok,ko"};
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int[] intarr = {1,2,0};
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Converter c = new Converter();
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System.out.println(c.starrtolist(starr));
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System.out.println(c.intarrtolist(intarr));
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}
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}

‎students/23K0688/23K0688-p21/src/main/java/ru/mirea/practice/s0000001/task2/Holder.java

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package ru.mirea.practice.s0000001.task2;
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public class Holder<D> {
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private int size;
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private D[] arr;
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public Holder(int size) {
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this.size = size;
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}
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public void setSize(int size) {
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this.size = size;
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}
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public int getSize() {
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return size;
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}
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public D[] getArr() {
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return arr;
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}
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public void setArr(D[] arr) {
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D[] arrt = (D[]) new Object[size];
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System.arraycopy(arr, 0, arrt, 0, size);
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this.arr = arrt;
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}
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public void print() {
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for (int i = 0;i < size;i++) {
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System.out.println(arr[i]);
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}
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}
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}

‎students/23K0688/23K0688-p21/src/main/java/ru/mirea/practice/s0000001/task2/Test.java

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package ru.mirea.practice.s0000001.task2;
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public abstract class Test {
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public static void main(String[] args) {
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Holder<Integer> hint = new Holder<>(2);
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Integer[] intarr = {1,2};
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hint.setArr(intarr);
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System.out.println("hint:");
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hint.print();
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String[] starr = {"ok","ko"};
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Holder<String> hstr = new Holder<>(2);
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hstr.setArr(starr);
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System.out.println("hstr:");
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hstr.print();
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Holder<Double> hdob = new Holder<>(2);
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Double[] dobarr = {1.0,2.0};
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hdob.setArr(dobarr);
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System.out.println("hdob:");
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hdob.print();
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}
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}

‎students/23K0688/23K0688-p22/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>23K0688</artifactId>
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<groupId>ru.mirea.practice</groupId>
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<version>2024.1</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>23K0688-p22</artifactId>
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<description>22 задание</description>
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</project>

‎students/23K0688/23K0688-p22/src/main/java/ru/mirea/practice/s0000001/task0/Calculus.java

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package ru.mirea.practice.s0000001.task0;
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import java.util.Stack;
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public class Calculus {
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public void calculate(StringBuilder numb) {
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Stack<Double> stack = new Stack<>();
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String[] st = numb.toString().split(" ");
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for (String sr : st) {
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switch (sr) {
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case "+":
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stack.push(stack.pop() + stack.pop());
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break;
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case "-":
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double num1 = stack.pop();
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double num2 = stack.pop();
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stack.push(num2 - num1);
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break;
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case "*":
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stack.push(stack.pop() * stack.pop());
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break;
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case "/":
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double num01 = stack.pop();
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double num02 = stack.pop();
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stack.push(num02 / num01);
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break;
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default:
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stack.push(Double.parseDouble(sr));
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break;
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}
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}
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System.out.println("res=" + stack.pop());
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}
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}

‎students/23K0688/23K0688-p22/src/main/java/ru/mirea/practice/s0000001/task0/Test.java

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package ru.mirea.practice.s0000001.task0;
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import javax.swing.JButton;
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import javax.swing.JLabel;
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import javax.swing.SwingConstants;
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import javax.swing.JPanel;
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import javax.swing.JFrame;
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import java.awt.Dimension;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public abstract class Test {
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public static void main(String[] args) {
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StringBuilder numb = new StringBuilder();
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final JButton b1 = new JButton("0");
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final JButton b2 = new JButton("1");
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final JButton b3 = new JButton("2");
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final JButton b4 = new JButton("3");
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final JButton b5 = new JButton("4");
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final JButton b6 = new JButton("5");
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final JButton b7 = new JButton("6");
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final JButton b8 = new JButton("7");
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final JButton b9 = new JButton("8");
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final JButton b10 = new JButton("9");
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final JButton b11 = new JButton(" ");
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final JButton b12 = new JButton("*");
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final JButton b13 = new JButton("/");
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final JButton b14 = new JButton("+");
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final JButton b15 = new JButton("-");
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final JButton b16 = new JButton("=");
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JLabel l = new JLabel(String.valueOf(numb), SwingConstants.CENTER);
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l.setText(String.valueOf(numb));
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b1.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("0");
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l.setText(String.valueOf(numb));
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}
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});
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b2.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("1");
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l.setText(String.valueOf(numb));
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}
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});
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b3.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("2");
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l.setText(String.valueOf(numb));
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}
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});
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b4.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("3");
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l.setText(String.valueOf(numb));
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}
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});
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b5.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("4");
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l.setText(String.valueOf(numb));
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}
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});
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b6.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("5");
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l.setText(String.valueOf(numb));
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}
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});
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b7.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("6");
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l.setText(String.valueOf(numb));
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}
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});
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b8.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("7");
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l.setText(String.valueOf(numb));
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}
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});
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b9.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("8");
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l.setText(String.valueOf(numb));
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}
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});
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b10.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("9");
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l.setText(String.valueOf(numb));
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}
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});
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b11.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append(" ");
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l.setText(String.valueOf(numb));
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}
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});
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b12.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("*");
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l.setText(String.valueOf(numb));
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}
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});
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b13.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("/");
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l.setText(String.valueOf(numb));
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}
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});
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b14.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("+");
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l.setText(String.valueOf(numb));
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}
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});
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b15.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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numb.append("-");
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l.setText(String.valueOf(numb));
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}
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});
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b16.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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Calculus c = new Calculus();
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c.calculate(numb);
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}
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});
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JPanel p = new JPanel();
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p.setPreferredSize(new Dimension(200,200));
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p.setSize(200,200);
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JFrame f = new JFrame();
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f.setSize(200, 200);
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p.add(b1);
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p.add(b2);
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p.add(b3);
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p.add(b4);
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p.add(b5);
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p.add(b6);
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p.add(b7);
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p.add(b8);
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p.add(b9);
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p.add(b10);
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p.add(b11);
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p.add(b12);
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p.add(b13);
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p.add(b14);
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p.add(b15);
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p.add(b16);
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p.add(l);
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f.getContentPane().add(p);
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f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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f.setVisible(true);
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}
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}

‎students/23K0688/23K0688-p22/src/main/java/ru/mirea/practice/s0000001/task1/Calculus.java

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package ru.mirea.practice.s0000001.task1;
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import java.util.Stack;
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public class Calculus {
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public void calculate(StringBuilder numb) {
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Stack<Double> stack = new Stack<>();
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String[] st = numb.toString().split(" ");
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for (String sr : st) {
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switch (sr) {
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case "+":
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stack.push(stack.pop() + stack.pop());
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break;
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case "-":
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double num1 = stack.pop();
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double num2 = stack.pop();
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stack.push(num2 - num1);
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break;
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case "*":
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stack.push(stack.pop() * stack.pop());
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break;
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case "/":
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double num01 = stack.pop();
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double num02 = stack.pop();
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stack.push(num02 / num01);
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break;
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default:
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stack.push(Double.parseDouble(sr));
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break;
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}
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}
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System.out.println("res=" + stack.pop());
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}
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}

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