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122 lines
2.0 KiB
122 lines
2.0 KiB
package programmiermethoden_und_Werkzeuge;
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import java.util.Scanner;
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public class Taschenrechner {
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int addition(int a, int b) {
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return a + b;
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}
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int multiplikation(int a, int b) {
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return a * b;
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}
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int division(int a, int b) {
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return a / b;
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}
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int potenzieren(int a, int b) {
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int temp = 1;
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if(b == 0) {
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return 1;
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}
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for(int i = 0; i < b; i++) {
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temp = temp * a;
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}
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return temp;
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}
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boolean kleinerAls(int a, int b) {
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return a < b;
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}
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boolean groeßerAls(int a, int b) {
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return a > b;
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}
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boolean gleich(int a, int b) {
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return a == b;
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}
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int randomNummer(int a, int b) {
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//Zufällige Nummer von a bis b
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int temp = 0;
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temp = (int) (Math.random() * (b + 1) ) + a;
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return temp;
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}
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double pie() {
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return Math.PI;
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}
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static int eingabe() {
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Scanner scan = new Scanner(System.in);
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int intScan= scan.nextInt();
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scan.close();
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return intScan;
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}
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void startTaschenrechner() {
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//Funktion zum Starten des Taschenrechnerprogramms
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System.out.println("1.Addition, 2.Multiplikation, 3.Division, 4.Potenzieren, 5.kleinerAls, 6.groeßerAls, 7.Gleichgroß, 8.Zufällige Zahl, 9.PI");
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Scanner scan = new Scanner(System.in);
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int s = scan.nextInt();
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scan.close();
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switch (s) {
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case 1: {
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System.out.println("Addition\n");
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System.out.println("Ergebnis:" + addition(eingabe(), eingabe()));
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break;
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}
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case 2: {
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System.out.println("Division\n");
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System.out.println("Ergebnis:" + division(eingabe(), eingabe()));
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break;
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}
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case 3:{
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System.out.println("Multiplikation\n");
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System.out.println("Ergebnis:" + multiplikation(eingabe(), eingabe()));
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break;
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}
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case 4:{
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System.out.println("Potenzieren\n");
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System.out.println("Ergebnis:" + potenzieren(eingabe(), eingabe()));
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break;
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}
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case 5:{
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System.out.println("KleinerAls\n");
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System.out.println("Ergebnis:" + kleinerAls(eingabe(), eingabe()));
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break;
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}
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default:
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throw new IllegalArgumentException("Unexpected value: " + s);
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}
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}
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}
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