Esimene Õpigrupp

src/opigrupp1/Muutujad.java

@@ -0,0 +1,101 @@
+package opigrupp1;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class Muutujad {
+
+	public static void main(String[] args) {
+		int number;
+		double komakohaga = 5.6;
+		boolean tingimus = false;
+		char minumuutuja = 'a';
+		
+		String minuTekst = "Tere maailm!";
+		
+		int a = 5;
+		double b = 2;
+		double c = a / b;
+		//System.out.printf("%d", c);
+		//System.out.printf("%.3f", c);
+		//System.out.printf("  %s  rebane", minuTekst);
+		
+		
+		
+		
+		
+		
+		
+		
+		
+		
+		
+		
+		
+		int[] veelmassiive;
+		int[] massiiv = {1, 2, 3, 99};
+		//int[] j2rgminemassiiv = new int[] {1,3,4};
+		int[][] kaksDMassiiv = {
+								{1, 2},
+								{3, 4},
+								{5, 6}
+							   };
+		
+		//System.out.println(kaksDMassiiv[0][1]);  //prints 2
+		
+		String[] minuLaheTekst = new String[5];
+		
+		// lisame 1. sahti teksti
+		minuLaheTekst[0] = "Kass";
+		
+		// lisame 2. sahti teksti
+		minuLaheTekst[1] = "Tere Koer!";
+		
+		// see ei toimi sest 42 ei ole String tüüp!
+		//minuLaheTekst[2] = 42;
+		
+		
+		massiiv[0] = 42; // esimese sahtli väärtus on 42
+		massiiv[3] = 5;
+		massiiv[2] = 5*5; //kolmanda sahtli väärtus on 5 korda 5
+		
+		
+		
+		
+		//System.out.println(massiiv[0] + " " + massiiv[3]);
+		
+		int[] kahegajaguvad = new int[100];
+		
+		for(int i = 0; i < 100; i++){
+			kahegajaguvad[i] = i;
+		}
+		
+		String minuTest = "salakala";
+		
+		//System.out.println(minuTest.length());
+		
+		Scanner input = new Scanner(System.in);
+		//System.out.print("input: ");
+		//int s = input.nextInt();
+		int s = getInt();
+		System.out.println(s);
+		
+		
+	}
+	
+	public static int getInt() {
+		int asdf;
+		for (asdf = -1; asdf != 2;) {
+			try {
+				Scanner input = new Scanner(System.in);
+				System.out.print("input: ");
+				asdf = input.nextInt();
+				//break;  // exit while
+			} catch(InputMismatchException e)  {
+				//System.out.printf("u fuked up mate: %s", e);
+			}
+		}
+		return asdf;
+	}
+
+}