Verarbeitung Römische Zahlen hinzugefügt
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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-1.8"/>
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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>AB_Fallunterscheidungen</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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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.8
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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.enumIdentifier=error
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org.eclipse.jdt.core.compiler.release=disabled
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org.eclipse.jdt.core.compiler.source=1.8
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import java.util.Scanner;
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public class Rom {
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public static void main(String[] args) {
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Scanner tastatur = new Scanner(System.in);
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System.out.print("Eingabe römische Zahl > ");
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String rZahl = tastatur.next();
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int i;
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int dezZahl = 0;
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int lZahl = 0;
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int zahl = 0;
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byte gleich = 0;
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int v = 0, l = 0, d = 0;
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for (i = 0; i < rZahl.length(); i++) {
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if (rZahl.charAt(i) == 'V') {
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v += 1;
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} else if (rZahl.charAt(i) == 'L') {
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l += 1;
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} else if (rZahl.charAt(i) == 'D') {
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d += 1;
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}
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}
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if (v > 1 || l > 1 || d > 1) {
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System.out.print("Eingabe ungültig!");
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return;
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}
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for (i = 0; i < rZahl.length(); i++) {
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switch (rZahl.charAt(i)) {
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case 'I':
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zahl = 1;
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break;
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case 'V':
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zahl = 5;
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break;
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case 'X':
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zahl = 10;
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break;
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case 'L':
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zahl = 50;
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break;
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case 'C':
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zahl = 100;
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break;
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case 'D':
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zahl = 500;
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break;
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case 'M':
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zahl = 1000;
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break;
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}
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// System.out.println("zahl " + zahl);
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// System.out.println("lZahl " + lZahl);
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// System.out.println("dZahl " + dezZahl);
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if (zahl > lZahl && lZahl != 0) {
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if ((lZahl == 1 && (zahl == 5 || zahl == 10)) || (lZahl == 10 && (zahl == 50 || zahl == 100))
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|| (lZahl == 100 && (zahl == 500 || zahl == 1000))) {
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dezZahl = (dezZahl - lZahl) + (zahl - lZahl);
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} else {
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System.out.print("Eingabe ungültig!");
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return;
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}
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} else {
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dezZahl += zahl;
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}
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if (lZahl == zahl) {
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gleich += 1;
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} else {
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gleich = 0;
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}
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if (gleich >= 3) {
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System.out.print("Eingabe ungültig!");
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return;
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}
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lZahl = zahl;
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}
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System.out.print(dezZahl);
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}
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}
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