test
mcnealtazopriso
commit
121b0acb7c
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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/bin/
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>übung2</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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eclipse.preferences.version=1
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encoding/<project>=UTF-8
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=17
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=17
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package übung2;
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import java.util.Scanner;
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public class Programmieruebung {
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public static void main(String[] args) {
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String[] fragen = {"was ist 3*3 , was sind 8+3"};
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int[] antworten = { 9, 11};
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int count = 0;
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while(count < fragen.length) {
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System.out.println(fragen[count]);
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Scanner scan = new Scanner(System.in);
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int eingabeUser= scan.nextInt();
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if(eingabeUser== antworten[count]) {
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System.out.println("Richtig");
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count++;
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}else {
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System.out.println("Falsch");
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}
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}
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}}
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package übung2;
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import java.util.Scanner;
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public class fahrenheit {
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public static void main(String[] args) {
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Scanner scann = new Scanner(System.in);
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System.out.println("(1)F->C oder (2)C->F");
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int menue = scann.nextInt();
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Object s = null;
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if (menue==1) {
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System.out.println("Bitte geben Sie die Temperatur in Fahrenheit ein");
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double fahrenheit = scann.nextDouble();
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double celsius = (fahrenheit-32) *5/9;
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System.out.println("sind"+celsius+"Grad Celsius");
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}
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else if (menue==2) {
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System.out.println("Bitte geben Sie die Temperatur in Celsius ein");
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double celsius = scann.nextDouble();
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double fahrenheit = celsius*1.8 + 32;
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System.out.println("sind"+fahrenheit+"Grad Fahrenheit");
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}else {
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System.out.println("Sie haben die falsche Eingabe getätigt.");
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//Object s1 = null;
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do {
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System.out.println("Nochmal? j/n");
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Object s11;
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Scanner sann = null;
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s11 = sann.nextLine();
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}while(!s.equals('j') && !s.equals ('n'));
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}
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}
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}
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package übung2;
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import java.util.Scanner; //import scanner from java library
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public class romische_uebung_2 {
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public static void main(String[] args) {
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String s;
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Scanner scann = new Scanner(System.in);
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do{//give the scanner and give it a name
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System.out.println("(1)Dezimahl->Römisch oder (2)Römisch->Dezimal"); //print (1)D->R or (2)R->D
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int wahl = scann.nextInt(); // Scanner scann saves input of the user in variable wahl
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if (wahl == 1) {
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//controls if users input is 1 , print "text" and start for loop
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System.out.println("Geben Sie eine Dezimalzahl ein");
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int dezimal = scann.nextInt(); //Scanner scann saves input of the user in variable dezimal
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for (int i = 0; i < dezimal; i = i + 1) { //start condition is i=o , endcondition is i <dezimal
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if (dezimal >= 400) { //starts counting from 1 to users input , time of loops
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dezimal = dezimal - 400; //if users input is ...,replace dezimal input and print...
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System.out.print("CD");
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} else if (dezimal >= 900) { // else other users input
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dezimal = dezimal - 900;
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System.out.print("CM");
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} else if (dezimal >= 500) {
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dezimal = dezimal - 500;
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System.out.print("D");
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} else if (dezimal >= 1000) {
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dezimal = dezimal - 1000;
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System.out.print("M");
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} else if (dezimal >= 100) {
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dezimal = dezimal - 100;
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System.out.print("C");
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} else if (dezimal >= 90) {
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dezimal = dezimal - 90;
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System.out.print("XC");
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} else if (dezimal >= 50) {
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dezimal = dezimal - 50;
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System.out.print("L");
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} else if (dezimal >= 40) {
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dezimal = dezimal - 40;
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System.out.print("XL");
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} else if (dezimal >= 10) {
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dezimal = dezimal - 10;
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System.out.print("X");
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} else if (dezimal >= 9) {
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dezimal = dezimal - 9;
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System.out.print("IX");
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} else if (dezimal >= 5) {
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dezimal = dezimal - 5;
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System.out.print("V");
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} else if (dezimal >= 4) {
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dezimal = dezimal - 4;
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System.out.print("IV");
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} else if (dezimal >= 1) {
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dezimal = dezimal - 1;
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System.out.print("I");
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}
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}
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}
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else if (wahl == 2) {
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////when users input 2 , print "text" and start second part of program
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System.out.println("Geben Sie die römische Zahl ein");
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String eingabe = scann.next(); //Scanner scann saves input of the user in variable eingabe
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int speicher = 0; //variable speicher starts at zero
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for (int i = 0; i <= eingabe.length() - 1; i++) {
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//start condition is i=0 , end condition is i < eingabe
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eingabe = eingabe.replace("IV", "4"); //users input is replaced with "... "
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eingabe = eingabe.replace("IX", "9");
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eingabe = eingabe.replace("XC", "Q");
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eingabe = eingabe.replace("CM", "t");
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eingabe = eingabe.replace("XL", "p");
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for (i = 0; i < eingabe.length(); i++) {
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if (eingabe.charAt(i) == 'M') {
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speicher += 1000;
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//look in loop for users input and adds certain number to variale speicher
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} else if (eingabe.charAt(i) == 'Q') {
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// if not users input "M" then look for other romic in loop
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speicher = speicher + 900;
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} else if (eingabe.charAt(i) == 'C') {
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speicher = speicher + 100;
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} else if (eingabe.charAt(i) == 't') {
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speicher = speicher + 90;
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} else if (eingabe.charAt(i) == 'L') {
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speicher = speicher + 50;
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} else if (eingabe.charAt(i) == 'X') {
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speicher = speicher + 10;
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} else if (eingabe.charAt(i) == 'V') {
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speicher = speicher + 5;
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} else if (eingabe.charAt(i) == '9') {
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speicher = speicher + 9;
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} else if (eingabe.charAt(i) == '4') {
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speicher = speicher + 4;
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} else if (eingabe.charAt(i) == 'I') {
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speicher = speicher + 1;
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}
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}System.out.println(speicher); // prints users input saved in variable speicher
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}} else {
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System.out.println("Sie haben die falsche Eingabe getätigt");
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}
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System.out.println("\n" +"Nochmal? j/n");
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do {
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s=scann.nextLine(); // user can give input in control
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}while(!s.equals("j")&& !s.equals("n")) ; }
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//user can only write "j" or "n" under print "text" or program wont work
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while (s.equals("j"));
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// if "j" then whole program starts over
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//if "n" then print "program terminated"‚
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System.out.println("Programm wurde beendet");
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//}
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}}
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//}
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//}
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@ -0,0 +1,39 @@
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package übung2;
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public class udemyUebung {
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public static void main(String[] args) {
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double wert =taschenrechner(6.354, 3.547, '*');
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System.out.println(wert);
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}
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public static double taschenrechner(double zahl1, double zahl2, char operator) {
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double summe;
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if(operator == '*') {
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summe = zahl1 * zahl2;
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}else if(operator == '+') {
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summe = zahl1 + zahl2;
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}else {
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summe = zahl1 - zahl2;
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}
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return summe;
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}
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}
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