JavaPrezentacija2

Domaci zadaci sa drugog casa predavanja.

Author: Jelly13

Student.java

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+public class Student {
+    public String ime;
+    public int brojPoena;
+}

Zadatak1.java

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+import java.util.Scanner;
+
+public class Zadatak1 {
+    public static void main(String[] args) {
+        System.out.println("Unesite dva broja: ");
+        try {
+            Scanner citac = new Scanner(System.in);
+            int a = citac.nextInt();
+            int b = citac.nextInt();
+            if (a > b) {
+                int m = a;
+                a = b;
+                b = m;
+            }
+            int i = a + 1;
+            while (i < b) {
+                if (i % 2 == 0) {
+                    System.out.println(i);
+                }
+                i++;
+            }
+        } catch (Exception InputMismatchException) {
+            System.out.println("Neispravan unos!");
+        }
+
+
+    }
+}

Zadatak2.java

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+import java.util.Scanner;
+
+public class Zadatak2 {
+    public static void main(String[] args) {
+        Scanner citac = new Scanner(System.in);
+        Student [] arrayOfStudents = new Student[citac.nextInt()];
+        Student najbolji = null;
+
+        for (int i = 0; i < arrayOfStudents.length; i++){
+            Student student = new Student();
+            student.ime = citac.next();
+            student.brojPoena = citac.nextInt();
+            arrayOfStudents[i] = student;
+            if (najbolji == null || student.brojPoena > najbolji.brojPoena) {
+                najbolji = student;
+            }
+        }
+        //System.out.println(max);
+        System.out.println(najbolji.ime);
+
+    }
+}

Zadatak3.java

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+import java.util.Random;
+import java.util.Scanner;
+
+import static java.lang.Math.abs;
+
+public class Zadatak3 {
+
+    public static void main (String[] args) {
+        Random rand = new Random();
+        int random_broj = rand.nextInt(50);
+        Scanner guess = new Scanner(System.in);
+        int broj = guess.nextInt();
+        boolean pogodak = false;
+        while (!pogodak) {
+            int m = odrediBroj(random_broj, broj);
+            switch (m){
+                case 0:
+                    System.out.println("Neverovatno! Pogodili ste tačan broj!" + random_broj);
+                    break;
+                case 1:
+                    System.out.println("Dobar pokušaj, bili ste jako blizu!" + random_broj);
+                    break;
+                case 2:
+                    System.out.println("Više sreće sledeći put..." + random_broj);
+                    broj = guess.nextInt();
+                    continue;
+            }
+            pogodak = true;
+        }
+    }
+
+    private static int odrediBroj(int random_broj, int broj) {
+        int razlika = abs (random_broj - broj);
+        if (random_broj == broj) {
+            return (0);
+        }
+        else if (razlika <= 5) {
+            return (1);
+        } else {
+            return (2);
+        }
+    }
+
+
+}

Zadatak4.java

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+import java.util.Scanner;
+
+public class Zadatak4 {
+
+    public static void main (String[] args) {
+        Scanner ulaz = new Scanner(System.in);
+        int a = ulaz.nextInt();
+        int b = ulaz.nextInt();
+        String operacija = ulaz.next();
+        boolean petlja = false;
+        while (!petlja) {
+            switch (operacija) {
+                case "s":
+                    System.out.println(sabiranje(a, b));
+                    operacija = ulaz.next();
+                    continue;
+                case "o":
+                    System.out.println(oduzimanje(a, b));
+                    operacija = ulaz.next();
+                    continue;
+                case "m":
+                    System.out.println(mnozenje(a, b));
+                    operacija = ulaz.next();
+                    continue;
+                case "d":
+                    System.out.println(deljenje(a, b));
+                    operacija = ulaz.next();
+                    continue;
+            }
+            petlja = true;
+        }
+    }
+
+    public static int sabiranje(int a, int b){
+        return a + b;
+    }
+
+    public static int oduzimanje(int a, int b){
+        return a - b;
+    }
+
+    public static int mnozenje(int a, int b){
+        return a * b;
+    }
+
+    public static int deljenje (int a, int b){
+        return a / b;
+    }
+}

Zadatak5.java

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+import java.util.Arrays;
+import java.util.Scanner;
+
+public class Zadatak5 {
+    public static void main(String[] args) {
+        Scanner ulaz = new Scanner(System.in);
+        int duzinaNiza = ulaz.nextInt();
+        int[] niz = new int[duzinaNiza];
+        int clan;
+        for (int i=0; i < niz.length; i++) {
+            clan = ulaz.nextInt();
+            niz[i] = clan;
+
+        } ;
+        Arrays.sort(niz);
+        int x = ulaz.nextInt();
+//        Without using Arrays for finding element
+//        for (int value : niz) {
+//            if (value == x) {
+//                System.out.println("It exists!");
+//            }
+//            ;
+//        };
+        System.out.println(x +" is" + Arrays.binarySearch(niz, x));
+        if (duzinaNiza <= 5){
+            for (int i =0; i < niz.length; i++){
+                System.out.println(niz[i]);
+            }
+        } else {
+            for (int i = 0; i < 5; i++) {
+                System.out.println(niz[i]);
+            }
+        }
+    }
+}